57400025 has 6 divisors (see below), whose sum is σ = 71176062. Its totient is φ = 45920000.

The previous prime is 57400009. The next prime is 57400033. The reversal of 57400025 is 52000475.

It can be written as a sum of positive squares in 3 ways, for example, as 14523721 + 42876304 = 3811^2 + 6548^2 .

It is not a de Polignac number, because 57400025 - 2⁴ = 57400009 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1147976 + ... + 1148025.

It is an arithmetic number, because the mean of its divisors is an integer number (11862677).

Almost surely, 2^57400025 is an apocalyptic number.

It is an amenable number.

57400025 is a deficient number, since it is larger than the sum of its proper divisors (13776037).

57400025 is a wasteful number, since it uses less digits than its factorization.

57400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296011 (or 2296006 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 57400025 is about 7576.2804198366. The cubic root of 57400025 is about 385.7483056740.

The spelling of 57400025 in words is "fifty-seven million, four hundred thousand, twenty-five".