812992953 has 4 divisors (see below), whose sum is σ = 1083990608. Its totient is φ = 541995300.

The previous prime is 812992927. The next prime is 812992963. The reversal of 812992953 is 359299218.

812992953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 812992953 - 2¹⁴ = 812976569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812992963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135498823 + ... + 135498828.

It is an arithmetic number, because the mean of its divisors is an integer number (270997652).

Almost surely, 2^812992953 is an apocalyptic number.

It is an amenable number.

812992953 is a deficient number, since it is larger than the sum of its proper divisors (270997655).

812992953 is a wasteful number, since it uses less digits than its factorization.

812992953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270997654.

The product of its digits is 349920, while the sum is 48.

The square root of 812992953 is about 28513.0312839586. The cubic root of 812992953 is about 933.3164641367.

The spelling of 812992953 in words is "eight hundred twelve million, nine hundred ninety-two thousand, nine hundred fifty-three".