315292847 has 16 divisors (see below), whose sum is σ = 331312128. Its totient is φ = 299687040.

The previous prime is 315292823. The next prime is 315292849. The reversal of 315292847 is 748292513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315292847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315292849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727943 + ... + 728375.

It is an arithmetic number, because the mean of its divisors is an integer number (20707008).

Almost surely, 2^315292847 is an apocalyptic number.

315292847 is a deficient number, since it is larger than the sum of its proper divisors (16019281).

315292847 is a wasteful number, since it uses less digits than its factorization.

315292847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its digits is 120960, while the sum is 41.

The square root of 315292847 is about 17756.4874623333. The cubic root of 315292847 is about 680.6199989823.

The spelling of 315292847 in words is "three hundred fifteen million, two hundred ninety-two thousand, eight hundred forty-seven".