809655325 has 12 divisors (see below), whose sum is σ = 1011640608. Its totient is φ = 642777200.

The previous prime is 809655313. The next prime is 809655347. The reversal of 809655325 is 523556908.

It is not a de Polignac number, because 809655325 - 2¹⁵ = 809622557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120337 + ... + 126886.

It is an arithmetic number, because the mean of its divisors is an integer number (84303384).

Almost surely, 2^809655325 is an apocalyptic number.

It is an amenable number.

809655325 is a deficient number, since it is larger than the sum of its proper divisors (201985283).

809655325 is a wasteful number, since it uses less digits than its factorization.

809655325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247364 (or 247359 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 809655325 is about 28454.4429746920. The cubic root of 809655325 is about 932.0375126121.

The spelling of 809655325 in words is "eight hundred nine million, six hundred fifty-five thousand, three hundred twenty-five".