319424957 has 2 divisors, whose sum is σ = 319424958. Its totient is φ = 319424956.

The previous prime is 319424929. The next prime is 319424969. The reversal of 319424957 is 759424913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272283001 + 47141956 = 16501^2 + 6866^2 .

It is a cyclic number.

It is not a de Polignac number, because 319424957 - 2⁶ = 319424893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319421957) 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, 159712478 + 159712479.

It is an arithmetic number, because the mean of its divisors is an integer number (159712479).

Almost surely, 2^319424957 is an apocalyptic number.

It is an amenable number.

319424957 is a deficient number, since it is larger than the sum of its proper divisors (1).

319424957 is an equidigital number, since it uses as much as digits as its factorization.

319424957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 319424957 is about 17872.4636522221. The cubic root of 319424957 is about 683.5804206321.

Subtracting from 319424957 its sum of digits (44), we obtain a palindrome (319424913).

The spelling of 319424957 in words is "three hundred nineteen million, four hundred twenty-four thousand, nine hundred fifty-seven".