57345725 has 6 divisors (see below), whose sum is σ = 71108730. Its totient is φ = 45876560.

The previous prime is 57345697. The next prime is 57345733. The reversal of 57345725 is 52754375.

It can be written as a sum of positive squares in 3 ways, for example, as 1125721 + 56220004 = 1061^2 + 7498^2 .

It is not a de Polignac number, because 57345725 - 2¹⁰ = 57344701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1146890 + ... + 1146939.

It is an arithmetic number, because the mean of its divisors is an integer number (11851455).

Almost surely, 2^57345725 is an apocalyptic number.

It is an amenable number.

57345725 is a deficient number, since it is larger than the sum of its proper divisors (13763005).

57345725 is a wasteful number, since it uses less digits than its factorization.

57345725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293839 (or 2293834 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 57345725 is about 7572.6960192523. The cubic root of 57345725 is about 385.6266289475.

The spelling of 57345725 in words is "fifty-seven million, three hundred forty-five thousand, seven hundred twenty-five".