57319349 has 2 divisors, whose sum is σ = 57319350. Its totient is φ = 57319348.

The previous prime is 57319343. The next prime is 57319369. The reversal of 57319349 is 94391375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56896849 + 422500 = 7543^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 57319349 - 2¹⁶ = 57253813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57319343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28659674 + 28659675.

It is an arithmetic number, because the mean of its divisors is an integer number (28659675).

Almost surely, 2^57319349 is an apocalyptic number.

It is an amenable number.

57319349 is a deficient number, since it is larger than the sum of its proper divisors (1).

57319349 is an equidigital number, since it uses as much as digits as its factorization.

57319349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 57319349 is about 7570.9542991620. The cubic root of 57319349 is about 385.5674972640.

The spelling of 57319349 in words is "fifty-seven million, three hundred nineteen thousand, three hundred forty-nine".