813069235 has 16 divisors (see below), whose sum is σ = 1069798752. Its totient is φ = 588313600.

The previous prime is 813069227. The next prime is 813069247. The reversal of 813069235 is 532960318.

It is not a de Polignac number, because 813069235 - 2³ = 813069227 is a prime.

It is a super-2 number, since 2×813069235² = 1322163161806970450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813069194 and 813069203.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26686 + ... + 48355.

It is an arithmetic number, because the mean of its divisors is an integer number (66862422).

Almost surely, 2^813069235 is an apocalyptic number.

813069235 is a deficient number, since it is larger than the sum of its proper divisors (256729517).

813069235 is a wasteful number, since it uses less digits than its factorization.

813069235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75254.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 813069235 is about 28514.3689216507. The cubic root of 813069235 is about 933.3456538198.

The spelling of 813069235 in words is "eight hundred thirteen million, sixty-nine thousand, two hundred thirty-five".