813052 has 12 divisors (see below), whose sum is σ = 1431976. Its totient is φ = 403920.

The previous prime is 813049. The next prime is 813061. The reversal of 813052 is 250318.

It is a happy number.

It is a super-2 number, since 2×813052² = 1322107109408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 1285.

2⁸¹³⁰⁵² is an apocalyptic number.

It is an amenable number.

813052 is a deficient number, since it is larger than the sum of its proper divisors (618924).

813052 is a wasteful number, since it uses less digits than its factorization.

813052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 813052 is about 901.6939613860. The cubic root of 813052 is about 93.3339058922. Note that the first 3 decimals are identical.

The spelling of 813052 in words is "eight hundred thirteen thousand, fifty-two".