813005302 has 8 divisors (see below), whose sum is σ = 1226246112. Its totient is φ = 404256600.

The previous prime is 813005273. The next prime is 813005321. The reversal of 813005302 is 203500318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×813005302² = 1321955242160222408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122574 + ... + 1123297.

It is an arithmetic number, because the mean of its divisors is an integer number (153280764).

Almost surely, 2^813005302 is an apocalyptic number.

813005302 is a deficient number, since it is larger than the sum of its proper divisors (413240810).

813005302 is a wasteful number, since it uses less digits than its factorization.

813005302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246054.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 813005302 is about 28513.2478332441. The cubic root of 813005302 is about 933.3211896663.

The spelling of 813005302 in words is "eight hundred thirteen million, five thousand, three hundred two".