319332493 has 2 divisors, whose sum is σ = 319332494. Its totient is φ = 319332492.

The previous prime is 319332467. The next prime is 319332527. The reversal of 319332493 is 394233913.

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., 184470724 + 134861769 = 13582^2 + 11613^2 .

It is a cyclic number.

It is not a de Polignac number, because 319332493 - 2⁹ = 319331981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319332413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159666246 + 159666247.

It is an arithmetic number, because the mean of its divisors is an integer number (159666247).

Almost surely, 2^319332493 is an apocalyptic number.

It is an amenable number.

319332493 is a deficient number, since it is larger than the sum of its proper divisors (1).

319332493 is an equidigital number, since it uses as much as digits as its factorization.

319332493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 37.

The square root of 319332493 is about 17869.8766923558. The cubic root of 319332493 is about 683.5144555508.

The spelling of 319332493 in words is "three hundred nineteen million, three hundred thirty-two thousand, four hundred ninety-three".