813262833 has 12 divisors (see below), whose sum is σ = 1236540240. Its totient is φ = 513639576.

The previous prime is 813262831. The next prime is 813262861. The reversal of 813262833 is 338262318.

It is not a de Polignac number, because 813262833 - 2¹ = 813262831 is a prime.

It is a super-2 number, since 2×813262833² = 1322792871078371778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (813262831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2377791 + ... + 2378132.

It is an arithmetic number, because the mean of its divisors is an integer number (103045020).

Almost surely, 2^813262833 is an apocalyptic number.

It is an amenable number.

813262833 is a deficient number, since it is larger than the sum of its proper divisors (423277407).

813262833 is a wasteful number, since it uses less digits than its factorization.

813262833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755948 (or 4755945 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 813262833 is about 28517.7634641989. The cubic root of 813262833 is about 933.4197268526.

The spelling of 813262833 in words is "eight hundred thirteen million, two hundred sixty-two thousand, eight hundred thirty-three".