812533325 has 12 divisors (see below), whose sum is σ = 1007900148. Its totient is φ = 649795200.

The previous prime is 812533313. The next prime is 812533327. The reversal of 812533325 is 523335218.

It can be written as a sum of positive squares in 6 ways, for example, as 682276 + 811851049 = 826^2 + 28493^2 .

It is a de Polignac number, because none of the positive numbers 2^k-812533325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 812533291 and 812533300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812533327) 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, 116435 + ... + 123215.

It is an arithmetic number, because the mean of its divisors is an integer number (83991679).

Almost surely, 2^812533325 is an apocalyptic number.

It is an amenable number.

812533325 is a deficient number, since it is larger than the sum of its proper divisors (195366823).

812533325 is a wasteful number, since it uses less digits than its factorization.

812533325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584 (or 11579 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 812533325 is about 28504.9701806545. The cubic root of 812533325 is about 933.1405465616.

The spelling of 812533325 in words is "eight hundred twelve million, five hundred thirty-three thousand, three hundred twenty-five".