57402425 has 6 divisors (see below), whose sum is σ = 71179038. Its totient is φ = 45921920.

The previous prime is 57402391. The next prime is 57402437. The reversal of 57402425 is 52420475.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12418576 + 44983849 = 3524^2 + 6707^2 .

It is not a de Polignac number, because 57402425 - 2⁶ = 57402361 is a prime.

It is a Duffinian 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, 1148024 + ... + 1148073.

It is an arithmetic number, because the mean of its divisors is an integer number (11863173).

Almost surely, 2^57402425 is an apocalyptic number.

It is an amenable number.

57402425 is a deficient number, since it is larger than the sum of its proper divisors (13776613).

57402425 is a wasteful number, since it uses less digits than its factorization.

57402425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296107 (or 2296102 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 57402425 is about 7576.4388072497. The cubic root of 57402425 is about 385.7536818797.

The spelling of 57402425 in words is "fifty-seven million, four hundred two thousand, four hundred twenty-five".