57225725 has 12 divisors (see below), whose sum is σ = 74045856. Its totient is φ = 43789680.

The previous prime is 57225719. The next prime is 57225731. The reversal of 57225725 is 52752275.

It is an interprime number because it is at equal distance from previous prime (57225719) and next prime (57225731).

It is not a de Polignac number, because 57225725 - 2⁶ = 57225661 is a prime.

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, 49187 + ... + 50336.

It is an arithmetic number, because the mean of its divisors is an integer number (6170488).

Almost surely, 2^57225725 is an apocalyptic number.

It is an amenable number.

57225725 is a deficient number, since it is larger than the sum of its proper divisors (16820131).

57225725 is a wasteful number, since it uses less digits than its factorization.

57225725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99556 (or 99551 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 57225725 is about 7564.7686679766. The cubic root of 57225725 is about 385.3574574088.

The spelling of 57225725 in words is "fifty-seven million, two hundred twenty-five thousand, seven hundred twenty-five".