57407225 has 12 divisors (see below), whose sum is σ = 71987580. Its totient is φ = 45408000.

The previous prime is 57407209. The next prime is 57407237. The reversal of 57407225 is 52270475.

It can be written as a sum of positive squares in 6 ways, for example, as 4946176 + 52461049 = 2224^2 + 7243^2 .

It is not a de Polignac number, because 57407225 - 2⁴ = 57407209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57407191 and 57407200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10676 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (5998965).

Almost surely, 2^57407225 is an apocalyptic number.

It is an amenable number.

57407225 is a deficient number, since it is larger than the sum of its proper divisors (14580355).

57407225 is a wasteful number, since it uses less digits than its factorization.

57407225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900 (or 25895 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 57407225 is about 7576.7555721430. The cubic root of 57407225 is about 385.7644338417.

The spelling of 57407225 in words is "fifty-seven million, four hundred seven thousand, two hundred twenty-five".