5315231 has 8 divisors (see below), whose sum is σ = 5838720. Its totient is φ = 4816152.

The previous prime is 5315227. The next prime is 5315239. The reversal of 5315231 is 1325135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5315231 - 2² = 5315227 is a prime.

It is a super-2 number, since 2×5315231² = 56503361166722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645 + ... + 6518.

It is an arithmetic number, because the mean of its divisors is an integer number (729840).

Almost surely, 2^5315231 is an apocalyptic number.

5315231 is a deficient number, since it is larger than the sum of its proper divisors (523489).

5315231 is a wasteful number, since it uses less digits than its factorization.

5315231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205.

The product of its digits is 450, while the sum is 20.

The square root of 5315231 is about 2305.4784752845. The cubic root of 5315231 is about 174.5181958185.

The spelling of 5315231 in words is "five million, three hundred fifteen thousand, two hundred thirty-one".