812082051 has 16 divisors (see below), whose sum is σ = 1312456320. Its totient is φ = 492170760.

The previous prime is 812082017. The next prime is 812082079. The reversal of 812082051 is 150280218.

It is not a de Polignac number, because 812082051 - 2⁶ = 812081987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (812082151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1366845 + ... + 1367438.

It is an arithmetic number, because the mean of its divisors is an integer number (82028520).

Almost surely, 2^812082051 is an apocalyptic number.

812082051 is a deficient number, since it is larger than the sum of its proper divisors (500374269).

812082051 is a wasteful number, since it uses less digits than its factorization.

812082051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734303 (or 2734297 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 812082051 is about 28497.0533739894. The cubic root of 812082051 is about 932.9677618331.

The spelling of 812082051 in words is "eight hundred twelve million, eighty-two thousand, fifty-one".