16872525 has 72 divisors (see below), whose sum is σ = 32497920. Its totient is φ = 8352000.

The previous prime is 16872523. The next prime is 16872553. The reversal of 16872525 is 52527861.

It is a happy number.

16872525 is a `hidden beast` number, since 1 + 68 + 72 + 525 = 666.

It is not a de Polignac number, because 16872525 - 2¹ = 16872523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16872525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 285946 + ... + 286004.

It is an arithmetic number, because the mean of its divisors is an integer number (451360).

Almost surely, 2^16872525 is an apocalyptic number.

16872525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16872525 is a deficient number, since it is larger than the sum of its proper divisors (15625395).

16872525 is a wasteful number, since it uses less digits than its factorization.

16872525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 16872525 is about 4107.6179228356. The cubic root of 16872525 is about 256.4838515648.

The spelling of 16872525 in words is "sixteen million, eight hundred seventy-two thousand, five hundred twenty-five".