315010639 has 2 divisors, whose sum is σ = 315010640. Its totient is φ = 315010638.

The previous prime is 315010607. The next prime is 315010651. The reversal of 315010639 is 936010513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315010639 - 2⁵ = 315010607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315010679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157505319 + 157505320.

It is an arithmetic number, because the mean of its divisors is an integer number (157505320).

Almost surely, 2^315010639 is an apocalyptic number.

315010639 is a deficient number, since it is larger than the sum of its proper divisors (1).

315010639 is an equidigital number, since it uses as much as digits as its factorization.

315010639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 315010639 is about 17748.5390666387. The cubic root of 315010639 is about 680.4168716928.

The spelling of 315010639 in words is "three hundred fifteen million, ten thousand, six hundred thirty-nine".