16427625 has 32 divisors (see below), whose sum is σ = 27765504. Its totient is φ = 8624000.

The previous prime is 16427611. The next prime is 16427639. The reversal of 16427625 is 52672461.

It is an interprime number because it is at equal distance from previous prime (16427611) and next prime (16427639).

It is not a de Polignac number, because 16427625 - 2⁹ = 16427113 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, 26317 + ... + 26933.

It is an arithmetic number, because the mean of its divisors is an integer number (867672).

Almost surely, 2^16427625 is an apocalyptic number.

16427625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16427625 is a deficient number, since it is larger than the sum of its proper divisors (11337879).

16427625 is an equidigital number, since it uses as much as digits as its factorization.

16427625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 696 counting only the distinct ones).

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

The square root of 16427625 is about 4053.1006649231. The cubic root of 16427625 is about 254.2093929187.

The spelling of 16427625 in words is "sixteen million, four hundred twenty-seven thousand, six hundred twenty-five".