45251925 has 48 divisors (see below), whose sum is σ = 80292480. Its totient is φ = 22429440.

The previous prime is 45251903. The next prime is 45251933. The reversal of 45251925 is 52915254.

It is not a de Polignac number, because 45251925 - 2⁷ = 45251797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63471 + ... + 64179.

It is an arithmetic number, because the mean of its divisors is an integer number (1672760).

Almost surely, 2^45251925 is an apocalyptic number.

It is an amenable number.

45251925 is a deficient number, since it is larger than the sum of its proper divisors (35040555).

45251925 is a wasteful number, since it uses less digits than its factorization.

45251925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 777 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 45251925 is about 6726.9551061383. The cubic root of 45251925 is about 356.3518514567.

The spelling of 45251925 in words is "forty-five million, two hundred fifty-one thousand, nine hundred twenty-five".