57427319 has 2 divisors, whose sum is σ = 57427320. Its totient is φ = 57427318.

The previous prime is 57427289. The next prime is 57427327. The reversal of 57427319 is 91372475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57427319 is a prime.

It is a super-2 number, since 2×57427319² = 6595793935055522, 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 (57427369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28713659 + 28713660.

It is an arithmetic number, because the mean of its divisors is an integer number (28713660).

Almost surely, 2^57427319 is an apocalyptic number.

57427319 is a deficient number, since it is larger than the sum of its proper divisors (1).

57427319 is an equidigital number, since it uses as much as digits as its factorization.

57427319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 57427319 is about 7578.0814854421. The cubic root of 57427319 is about 385.8094377373.

The spelling of 57427319 in words is "fifty-seven million, four hundred twenty-seven thousand, three hundred nineteen".