319452961 has 2 divisors, whose sum is σ = 319452962. Its totient is φ = 319452960.

The previous prime is 319452953. The next prime is 319453027. The reversal of 319452961 is 169254913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318836736 + 616225 = 17856^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 319452961 - 2³ = 319452953 is a prime.

It is not a weakly prime, because it can be changed into another prime (319452761) 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, 159726480 + 159726481.

It is an arithmetic number, because the mean of its divisors is an integer number (159726481).

Almost surely, 2^319452961 is an apocalyptic number.

It is an amenable number.

319452961 is a deficient number, since it is larger than the sum of its proper divisors (1).

319452961 is an equidigital number, since it uses as much as digits as its factorization.

319452961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 319452961 is about 17873.2470748882. The cubic root of 319452961 is about 683.6003965568.

The spelling of 319452961 in words is "three hundred nineteen million, four hundred fifty-two thousand, nine hundred sixty-one".