813047033 has 8 divisors (see below), whose sum is σ = 849795648. Its totient is φ = 776415024.

The previous prime is 813047017. The next prime is 813047051. The reversal of 813047033 is 330740318.

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

It is a cyclic number.

It is not a de Polignac number, because 813047033 - 2⁴ = 813047017 is a prime.

It is a super-2 number, since 2×813047033² = 1322090955740206178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813046987 and 813047005.

It is not an unprimeable number, because it can be changed into a prime (813047003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14735 + ... + 42932.

It is an arithmetic number, because the mean of its divisors is an integer number (106224456).

Almost surely, 2^813047033 is an apocalyptic number.

It is an amenable number.

813047033 is a deficient number, since it is larger than the sum of its proper divisors (36748615).

813047033 is a wasteful number, since it uses less digits than its factorization.

813047033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58303.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 813047033 is about 28513.9796065018. The cubic root of 813047033 is about 933.3371583035.

The spelling of 813047033 in words is "eight hundred thirteen million, forty-seven thousand, thirty-three".