57865625 has 12 divisors (see below), whose sum is σ = 72331308. Its totient is φ = 46290000.

The previous prime is 57865609. The next prime is 57865651. The reversal of 57865625 is 52656875.

It can be written as a sum of positive squares in 6 ways, for example, as 52243984 + 5621641 = 7228^2 + 2371^2 .

It is not a de Polignac number, because 57865625 - 2⁴ = 57865609 is a prime.

It is a Duffinian 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, 6134 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (6027609).

Almost surely, 2^57865625 is an apocalyptic number.

It is an amenable number.

57865625 is a deficient number, since it is larger than the sum of its proper divisors (14465683).

57865625 is an frugal number, since it uses more digits than its factorization.

57865625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18542 (or 18522 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 57865625 is about 7606.9458391657. The cubic root of 57865625 is about 386.7884966708.

It can be divided in two parts, 5786 and 5625, that added together give a palindrome (11411).

The spelling of 57865625 in words is "fifty-seven million, eight hundred sixty-five thousand, six hundred twenty-five".