815252 has 24 divisors (see below), whose sum is σ = 1592640. Its totient is φ = 362880.

The previous prime is 815251. The next prime is 815257. The reversal of 815252 is 252518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815251) 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, 977 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (66360).

2⁸¹⁵²⁵² is an apocalyptic number.

It is an amenable number.

815252 is a deficient number, since it is larger than the sum of its proper divisors (777388).

815252 is a wasteful number, since it uses less digits than its factorization.

815252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 815252 is about 902.9130633677. The cubic root of 815252 is about 93.4180127181.

The spelling of 815252 in words is "eight hundred fifteen thousand, two hundred fifty-two".