319605057 has 12 divisors (see below), whose sum is σ = 464594260. Its totient is φ = 211711968.

The previous prime is 319605053. The next prime is 319605067. The reversal of 319605057 is 750506913.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190191681 + 129413376 = 13791^2 + 11376^2 .

It is not a de Polignac number, because 319605057 - 2² = 319605053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319605053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111682 + ... + 114507.

Almost surely, 2^319605057 is an apocalyptic number.

It is an amenable number.

319605057 is a deficient number, since it is larger than the sum of its proper divisors (144989203).

319605057 is a wasteful number, since it uses less digits than its factorization.

319605057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226352 (or 226349 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 319605057 is about 17877.5014193818. The cubic root of 319605057 is about 683.7088698972.

The spelling of 319605057 in words is "three hundred nineteen million, six hundred five thousand, fifty-seven".