315025523 has 2 divisors, whose sum is σ = 315025524. Its totient is φ = 315025522.

The previous prime is 315025507. The next prime is 315025531. The reversal of 315025523 is 325520513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315025523 - 2⁴ = 315025507 is a prime.

It is a Sophie Germain prime.

It is equal to p_17021357 and since 315025523 and 17021357 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 315025492 and 315025501.

It is not a weakly prime, because it can be changed into another prime (315025573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157512761 + 157512762.

It is an arithmetic number, because the mean of its divisors is an integer number (157512762).

Almost surely, 2^315025523 is an apocalyptic number.

315025523 is a deficient number, since it is larger than the sum of its proper divisors (1).

315025523 is an equidigital number, since it uses as much as digits as its factorization.

315025523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 315025523 is about 17748.9583638026. The cubic root of 315025523 is about 680.4275879078.

The spelling of 315025523 in words is "three hundred fifteen million, twenty-five thousand, five hundred twenty-three".