315092551 has 2 divisors, whose sum is σ = 315092552. Its totient is φ = 315092550.

The previous prime is 315092539. The next prime is 315092593. The reversal of 315092551 is 155290513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315092551 - 2⁹ = 315092039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315092051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157546275 + 157546276.

It is an arithmetic number, because the mean of its divisors is an integer number (157546276).

Almost surely, 2^315092551 is an apocalyptic number.

315092551 is a deficient number, since it is larger than the sum of its proper divisors (1).

315092551 is an equidigital number, since it uses as much as digits as its factorization.

315092551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 315092551 is about 17750.8464868580. The cubic root of 315092551 is about 680.4758426922.

The spelling of 315092551 in words is "three hundred fifteen million, ninety-two thousand, five hundred fifty-one".