5231215 has 16 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 3778720.

The previous prime is 5231207. The next prime is 5231263. The reversal of 5231215 is 5121325.

It is not a de Polignac number, because 5231215 - 2³ = 5231207 is a prime.

It is a super-2 number, since 2×5231215² = 54731220752450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5231192 and 5231201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12276 + ... + 12694.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^5231215 is an apocalyptic number.

5231215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5231215 is a deficient number, since it is larger than the sum of its proper divisors (1663505).

5231215 is a wasteful number, since it uses less digits than its factorization.

5231215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 300, while the sum is 19.

The square root of 5231215 is about 2287.1849509823. The cubic root of 5231215 is about 173.5937919411.

The spelling of 5231215 in words is "five million, two hundred thirty-one thousand, two hundred fifteen".