319049057 has 2 divisors, whose sum is σ = 319049058. Its totient is φ = 319049056.

The previous prime is 319049051. The next prime is 319049089. The reversal of 319049057 is 750940913.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312617761 + 6431296 = 17681^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 319049057 - 2¹⁴ = 319032673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 319049057.

It is not a weakly prime, because it can be changed into another prime (319049051) 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 as a sum of consecutive naturals, namely, 159524528 + 159524529.

It is an arithmetic number, because the mean of its divisors is an integer number (159524529).

Almost surely, 2^319049057 is an apocalyptic number.

It is an amenable number.

319049057 is a deficient number, since it is larger than the sum of its proper divisors (1).

319049057 is an equidigital number, since it uses as much as digits as its factorization.

319049057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 319049057 is about 17861.9443790423. The cubic root of 319049057 is about 683.3121690583.

The spelling of 319049057 in words is "three hundred nineteen million, forty-nine thousand, fifty-seven".