16487625 has 64 divisors (see below), whose sum is σ = 34265088. Its totient is φ = 6840000.

The previous prime is 16487621. The next prime is 16487641. The reversal of 16487625 is 52678461.

It is not a de Polignac number, because 16487625 - 2² = 16487621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16487621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28590 + ... + 29160.

It is an arithmetic number, because the mean of its divisors is an integer number (535392).

Almost surely, 2^16487625 is an apocalyptic number.

16487625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16487625 is an abundant number, since it is smaller than the sum of its proper divisors (17777463).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16487625 is a wasteful number, since it uses less digits than its factorization.

16487625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 597 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 16487625 is about 4060.4956593992. The cubic root of 16487625 is about 254.5185070228.

The spelling of 16487625 in words is "sixteen million, four hundred eighty-seven thousand, six hundred twenty-five".