315510427 has 2 divisors, whose sum is σ = 315510428. Its totient is φ = 315510426.

The previous prime is 315510413. The next prime is 315510449. The reversal of 315510427 is 724015513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315510427 - 2¹¹ = 315508379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315510395 and 315510404.

It is not a weakly prime, because it can be changed into another prime (315510407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157755213 + 157755214.

It is an arithmetic number, because the mean of its divisors is an integer number (157755214).

Almost surely, 2^315510427 is an apocalyptic number.

315510427 is a deficient number, since it is larger than the sum of its proper divisors (1).

315510427 is an equidigital number, since it uses as much as digits as its factorization.

315510427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 315510427 is about 17762.6131804980. The cubic root of 315510427 is about 680.7765256832.

The spelling of 315510427 in words is "three hundred fifteen million, five hundred ten thousand, four hundred twenty-seven".