315027457 has 4 divisors (see below), whose sum is σ = 318086080. Its totient is φ = 311968836.

The previous prime is 315027439. The next prime is 315027463. The reversal of 315027457 is 754720513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315027457 - 2²⁷ = 180809729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315027407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529157 + ... + 1529362.

It is an arithmetic number, because the mean of its divisors is an integer number (79521520).

Almost surely, 2^315027457 is an apocalyptic number.

It is an amenable number.

315027457 is a deficient number, since it is larger than the sum of its proper divisors (3058623).

315027457 is a wasteful number, since it uses less digits than its factorization.

315027457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058622.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 315027457 is about 17749.0128457895. The cubic root of 315027457 is about 680.4289803286.

The spelling of 315027457 in words is "three hundred fifteen million, twenty-seven thousand, four hundred fifty-seven".