812725055 has 16 divisors (see below), whose sum is σ = 998936064. Its totient is φ = 634533120.

The previous prime is 812725051. The next prime is 812725097. The reversal of 812725055 is 550527218.

It is not a de Polignac number, because 812725055 - 2² = 812725051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812725051) 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, 42587 + ... + 58643.

It is an arithmetic number, because the mean of its divisors is an integer number (62433504).

Almost surely, 2^812725055 is an apocalyptic number.

812725055 is a deficient number, since it is larger than the sum of its proper divisors (186211009).

812725055 is a wasteful number, since it uses less digits than its factorization.

812725055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 812725055 is about 28508.3330799961. Note that the first 3 decimals coincide. The cubic root of 812725055 is about 933.2139371788.

The spelling of 812725055 in words is "eight hundred twelve million, seven hundred twenty-five thousand, fifty-five".