811011325 has 12 divisors (see below), whose sum is σ = 1032835060. Its totient is φ = 631272960.

The previous prime is 811011323. The next prime is 811011329. The reversal of 811011325 is 523110118.

It can be written as a sum of positive squares in 6 ways, for example, as 18645124 + 792366201 = 4318^2 + 28149^2 .

It is not a de Polignac number, because 811011325 - 2¹ = 811011323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 811011296 and 811011305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811011323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437460 + ... + 439309.

Almost surely, 2^811011325 is an apocalyptic number.

It is an amenable number.

811011325 is a deficient number, since it is larger than the sum of its proper divisors (221823735).

811011325 is a wasteful number, since it uses less digits than its factorization.

811011325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876816 (or 876811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 811011325 is about 28478.2605683704. The cubic root of 811011325 is about 932.5575437612.

The spelling of 811011325 in words is "eight hundred eleven million, eleven thousand, three hundred twenty-five".