16345925 has 12 divisors (see below), whose sum is σ = 21461796. Its totient is φ = 12307200.

The previous prime is 16345919. The next prime is 16345943. The reversal of 16345925 is 52954361.

16345925 = T₇₇₅ + T₇₇₆ + ... + T₈₂₅.

It can be written as a sum of positive squares in 6 ways, for example, as 481636 + 15864289 = 694^2 + 3983^2 .

It is not a de Polignac number, because 16345925 - 2⁸ = 16345669 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18806 + ... + 19655.

It is an arithmetic number, because the mean of its divisors is an integer number (1788483).

Almost surely, 2^16345925 is an apocalyptic number.

It is an amenable number.

16345925 is a deficient number, since it is larger than the sum of its proper divisors (5115871).

16345925 is a wasteful number, since it uses less digits than its factorization.

16345925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38488 (or 38483 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 16345925 is about 4043.0093989502. The cubic root of 16345925 is about 253.7872699590.

The spelling of 16345925 in words is "sixteen million, three hundred forty-five thousand, nine hundred twenty-five".