811725532 has 12 divisors (see below), whose sum is σ = 1450743840. Its totient is φ = 397227296.

The previous prime is 811725529. The next prime is 811725583. The reversal of 811725532 is 235527118.

811725532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2158657 + ... + 2159032.

It is an arithmetic number, because the mean of its divisors is an integer number (120895320).

Almost surely, 2^811725532 is an apocalyptic number.

It is an amenable number.

811725532 is a deficient number, since it is larger than the sum of its proper divisors (639018308).

811725532 is a wasteful number, since it uses less digits than its factorization.

811725532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317740 (or 4317738 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 811725532 is about 28490.7973212404. The cubic root of 811725532 is about 932.8312118295.

The spelling of 811725532 in words is "eight hundred eleven million, seven hundred twenty-five thousand, five hundred thirty-two".