815283 has 12 divisors (see below), whose sum is σ = 1345968. Its totient is φ = 465840.

The previous prime is 815279. The next prime is 815291. The reversal of 815283 is 382518.

It is a happy number.

815283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 815283 - 2² = 815279 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 6408 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (112164).

2⁸¹⁵²⁸³ is an apocalyptic number.

815283 is a deficient number, since it is larger than the sum of its proper divisors (530685).

815283 is a wasteful number, since it uses less digits than its factorization.

815283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954 (or 12951 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 815283 is about 902.9302298628. The cubic root of 815283 is about 93.4191967780.

The spelling of 815283 in words is "eight hundred fifteen thousand, two hundred eighty-three".