315539091 has 32 divisors (see below), whose sum is σ = 565678080. Its totient is φ = 169699968.

The previous prime is 315539017. The next prime is 315539129. The reversal of 315539091 is 190935513.

315539091 is a `hidden beast` number, since 31 + 5 + 539 + 0 + 91 = 666.

It is not a de Polignac number, because 315539091 - 2¹⁴ = 315522707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315539011) 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 in 31 ways as a sum of consecutive naturals, for example, 45891 + ... + 52316.

It is an arithmetic number, because the mean of its divisors is an integer number (17677440).

Almost surely, 2^315539091 is an apocalyptic number.

315539091 is a deficient number, since it is larger than the sum of its proper divisors (250138989).

315539091 is a wasteful number, since it uses less digits than its factorization.

315539091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98240 (or 98234 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 36.

The square root of 315539091 is about 17763.4200254343. The cubic root of 315539091 is about 680.7971411535.

The spelling of 315539091 in words is "three hundred fifteen million, five hundred thirty-nine thousand, ninety-one".