655623325 has 24 divisors (see below), whose sum is σ = 938158208. Its totient is φ = 445193280.

The previous prime is 655623307. The next prime is 655623359. The reversal of 655623325 is 523326556.

It is a de Polignac number, because none of the positive numbers 2^k-655623325 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 23 ways as a sum of consecutive naturals, for example, 162 + ... + 36211.

Almost surely, 2^655623325 is an apocalyptic number.

It is an amenable number.

655623325 is a deficient number, since it is larger than the sum of its proper divisors (282534883).

655623325 is a wasteful number, since it uses less digits than its factorization.

655623325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36493 (or 36488 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

The square root of 655623325 is about 25605.1425498863. The cubic root of 655623325 is about 868.7299586495.

The spelling of 655623325 in words is "six hundred fifty-five million, six hundred twenty-three thousand, three hundred twenty-five".