57425987 has 2 divisors, whose sum is σ = 57425988. Its totient is φ = 57425986.

The previous prime is 57425959. The next prime is 57425989. The reversal of 57425987 is 78952475.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57425987 - 2¹⁶ = 57360451 is a prime.

Together with 57425989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57425989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28712993 + 28712994.

It is an arithmetic number, because the mean of its divisors is an integer number (28712994).

Almost surely, 2^57425987 is an apocalyptic number.

57425987 is a deficient number, since it is larger than the sum of its proper divisors (1).

57425987 is an equidigital number, since it uses as much as digits as its factorization.

57425987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 47.

The square root of 57425987 is about 7577.9935998917. The cubic root of 57425987 is about 385.8064548240.

The spelling of 57425987 in words is "fifty-seven million, four hundred twenty-five thousand, nine hundred eighty-seven".