315510551 has 2 divisors, whose sum is σ = 315510552. Its totient is φ = 315510550.

The previous prime is 315510541. The next prime is 315510563. The reversal of 315510551 is 155015513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315510551 - 2¹⁰ = 315509527 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315510551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315510511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157755275 + 157755276.

It is an arithmetic number, because the mean of its divisors is an integer number (157755276).

Almost surely, 2^315510551 is an apocalyptic number.

315510551 is a deficient number, since it is larger than the sum of its proper divisors (1).

315510551 is an equidigital number, since it uses as much as digits as its factorization.

315510551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 315510551 is about 17762.6166709750. The cubic root of 315510551 is about 680.7766148681.

The spelling of 315510551 in words is "three hundred fifteen million, five hundred ten thousand, five hundred fifty-one".