57671249 has 2 divisors, whose sum is σ = 57671250. Its totient is φ = 57671248.

The previous prime is 57671233. The next prime is 57671267. The reversal of 57671249 is 94217675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56896849 + 774400 = 7543^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 57671249 - 2⁴ = 57671233 is a prime.

It is a super-2 number, since 2×57671249² = 6651945922440002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57671269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28835624 + 28835625.

It is an arithmetic number, because the mean of its divisors is an integer number (28835625).

Almost surely, 2^57671249 is an apocalyptic number.

It is an amenable number.

57671249 is a deficient number, since it is larger than the sum of its proper divisors (1).

57671249 is an equidigital number, since it uses as much as digits as its factorization.

57671249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 57671249 is about 7594.1588737661. The cubic root of 57671249 is about 386.3549246965.

The spelling of 57671249 in words is "fifty-seven million, six hundred seventy-one thousand, two hundred forty-nine".