2512

Number
$2512$ (two thousand, five hundred and twelve) is:
 * $2^4 \times 157$


 * The $32$nd heptagonal number after $1, 7, 18, 34, 55, 81, 112, \ldots, 1525, 1651, 1782, 1918, 2059, 2205, 2356$:
 * $2512 = \displaystyle \sum_{k \mathop = 1}^{32} \left({5 k - 4}\right) = \dfrac {32 \left({5 \times 32 - 3}\right)} 2$