813206325 has 24 divisors (see below), whose sum is σ = 1375774048. Its totient is φ = 423622080.

The previous prime is 813206323. The next prime is 813206363. The reversal of 813206325 is 523602318.

It is not a de Polignac number, because 813206325 - 2¹ = 813206323 is a prime.

It is a super-3 number, since 3×813206325³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813206292 and 813206301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813206323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122854 + ... + 129303.

Almost surely, 2^813206325 is an apocalyptic number.

It is an amenable number.

813206325 is a deficient number, since it is larger than the sum of its proper divisors (562567723).

813206325 is a wasteful number, since it uses less digits than its factorization.

813206325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252213 (or 252208 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 813206325 is about 28516.7726960819. The cubic root of 813206325 is about 933.3981073951.

The spelling of 813206325 in words is "eight hundred thirteen million, two hundred six thousand, three hundred twenty-five".