57171269 has 2 divisors, whose sum is σ = 57171270. Its totient is φ = 57171268.

The previous prime is 57171251. The next prime is 57171271. The reversal of 57171269 is 96217175.

57171269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 19802500 = 6113^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 57171269 - 2¹⁶ = 57105733 is a prime.

It is a super-2 number, since 2×57171269² = 6537107998140722, which contains 22 as substring.

Together with 57171271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57171229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28585634 + 28585635.

It is an arithmetic number, because the mean of its divisors is an integer number (28585635).

Almost surely, 2^57171269 is an apocalyptic number.

It is an amenable number.

57171269 is a deficient number, since it is larger than the sum of its proper divisors (1).

57171269 is an equidigital number, since it uses as much as digits as its factorization.

57171269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 38.

The square root of 57171269 is about 7561.1684943532. The cubic root of 57171269 is about 385.2351832296.

The spelling of 57171269 in words is "fifty-seven million, one hundred seventy-one thousand, two hundred sixty-nine".