57197339 has 2 divisors, whose sum is σ = 57197340. Its totient is φ = 57197338.

The previous prime is 57197293. The next prime is 57197341. The reversal of 57197339 is 93379175.

57197339 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 is a cyclic number.

It is not a de Polignac number, because 57197339 - 2²⁴ = 40420123 is a prime.

Together with 57197341, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57197339.

It is not a weakly prime, because it can be changed into another prime (57197039) 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, 28598669 + 28598670.

It is an arithmetic number, because the mean of its divisors is an integer number (28598670).

Almost surely, 2^57197339 is an apocalyptic number.

57197339 is a deficient number, since it is larger than the sum of its proper divisors (1).

57197339 is an equidigital number, since it uses as much as digits as its factorization.

57197339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 178605, while the sum is 44.

The square root of 57197339 is about 7562.8922377620. The cubic root of 57197339 is about 385.2937298577.

The spelling of 57197339 in words is "fifty-seven million, one hundred ninety-seven thousand, three hundred thirty-nine".