7813252 has 12 divisors (see below), whose sum is σ = 13905360. Its totient is φ = 3840296.

The previous prime is 7813249. The next prime is 7813277. The reversal of 7813252 is 2523187.

It is a super-2 number, since 2×7813252² = 122093813631008, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7813252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16318 + ... + 16789.

It is an arithmetic number, because the mean of its divisors is an integer number (1158780).

Almost surely, 2^7813252 is an apocalyptic number.

It is an amenable number.

7813252 is a deficient number, since it is larger than the sum of its proper divisors (6092108).

7813252 is a wasteful number, since it uses less digits than its factorization.

7813252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33170 (or 33168 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 7813252 is about 2795.2194904873. The cubic root of 7813252 is about 198.4314978282.

The spelling of 7813252 in words is "seven million, eight hundred thirteen thousand, two hundred fifty-two".