315225663 has 16 divisors (see below), whose sum is σ = 430963200. Its totient is φ = 204855296.

The previous prime is 315225641. The next prime is 315225667. The reversal of 315225663 is 366522513.

It is a cyclic number.

It is not a de Polignac number, because 315225663 - 2¹⁰ = 315224639 is a prime.

It is a super-2 number, since 2×315225663² = 198734437227579138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315225667) 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, 31888 + ... + 40586.

It is an arithmetic number, because the mean of its divisors is an integer number (26935200).

Almost surely, 2^315225663 is an apocalyptic number.

315225663 is a deficient number, since it is larger than the sum of its proper divisors (115737537).

315225663 is a wasteful number, since it uses less digits than its factorization.

315225663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006.

The product of its digits is 32400, while the sum is 33.

The square root of 315225663 is about 17754.5955459425. The cubic root of 315225663 is about 680.5716523709.

The spelling of 315225663 in words is "three hundred fifteen million, two hundred twenty-five thousand, six hundred sixty-three".