315495907 has 2 divisors, whose sum is σ = 315495908. Its totient is φ = 315495906.

The previous prime is 315495881. The next prime is 315495919. The reversal of 315495907 is 709594513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315495907 - 2¹⁹ = 314971619 is a prime.

It is not a weakly prime, because it can be changed into another prime (315495937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157747953 + 157747954.

It is an arithmetic number, because the mean of its divisors is an integer number (157747954).

Almost surely, 2^315495907 is an apocalyptic number.

315495907 is a deficient number, since it is larger than the sum of its proper divisors (1).

315495907 is an equidigital number, since it uses as much as digits as its factorization.

315495907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 315495907 is about 17762.2044521506. The cubic root of 315495907 is about 680.7660822600.

The spelling of 315495907 in words is "three hundred fifteen million, four hundred ninety-five thousand, nine hundred seven".