16247625 has 32 divisors (see below), whose sum is σ = 27790464. Its totient is φ = 8424000.

The previous prime is 16247599. The next prime is 16247639. The reversal of 16247625 is 52674261.

It is not a de Polignac number, because 16247625 - 2⁹ = 16247113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13290 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (868452).

Almost surely, 2^16247625 is an apocalyptic number.

16247625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16247625 is a deficient number, since it is larger than the sum of its proper divisors (11542839).

16247625 is a wasteful number, since it uses less digits than its factorization.

16247625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 16247625 is about 4030.8342808902. The cubic root of 16247625 is about 253.2775105919.

The spelling of 16247625 in words is "sixteen million, two hundred forty-seven thousand, six hundred twenty-five".