57214925 has 6 divisors (see below), whose sum is σ = 70946538. Its totient is φ = 45771920.

The previous prime is 57214921. The next prime is 57214939. The reversal of 57214925 is 52941275.

It can be written as a sum of positive squares in 3 ways, for example, as 17952169 + 39262756 = 4237^2 + 6266^2 .

It is not a de Polignac number, because 57214925 - 2² = 57214921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57214921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1144274 + ... + 1144323.

It is an arithmetic number, because the mean of its divisors is an integer number (11824423).

Almost surely, 2^57214925 is an apocalyptic number.

It is an amenable number.

57214925 is a deficient number, since it is larger than the sum of its proper divisors (13731613).

57214925 is a wasteful number, since it uses less digits than its factorization.

57214925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288607 (or 2288602 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 57214925 is about 7564.0547988496. The cubic root of 57214925 is about 385.3332135198. Note that the first 3 decimals are identical.

The spelling of 57214925 in words is "fifty-seven million, two hundred fourteen thousand, nine hundred twenty-five".