815272 has 16 divisors (see below), whose sum is σ = 1545300. Its totient is φ = 403200.

The previous prime is 815261. The next prime is 815273. The reversal of 815272 is 272518.

It can be written as a sum of positive squares in 2 ways, for example, as 784996 + 30276 = 886^2 + 174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304 + ... + 1312.

2⁸¹⁵²⁷² is an apocalyptic number.

It is an amenable number.

815272 is a deficient number, since it is larger than the sum of its proper divisors (730028).

815272 is a wasteful number, since it uses less digits than its factorization.

815272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1112 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 815272 is about 902.9241385631. The cubic root of 815272 is about 93.4187766312.

The spelling of 815272 in words is "eight hundred fifteen thousand, two hundred seventy-two".