57237263 has 2 divisors, whose sum is σ = 57237264. Its totient is φ = 57237262.

The previous prime is 57237251. The next prime is 57237269. The reversal of 57237263 is 36273275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57237263 - 2⁶ = 57237199 is a prime.

It is a super-2 number, since 2×57237263² = 6552208551462338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57237269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28618631 + 28618632.

It is an arithmetic number, because the mean of its divisors is an integer number (28618632).

Almost surely, 2^57237263 is an apocalyptic number.

57237263 is a deficient number, since it is larger than the sum of its proper divisors (1).

57237263 is an equidigital number, since it uses as much as digits as its factorization.

57237263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 35.

The square root of 57237263 is about 7565.5312437396. The cubic root of 57237263 is about 385.3833545938.

The spelling of 57237263 in words is "fifty-seven million, two hundred thirty-seven thousand, two hundred sixty-three".