655085725 has 24 divisors (see below), whose sum is σ = 930833280. Its totient is φ = 448000320.

The previous prime is 655085713. The next prime is 655085731. The reversal of 655085725 is 527580556.

655085725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655085725 - 2⁹ = 655085213 is a prime.

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, 63264 + ... + 72886.

It is an arithmetic number, because the mean of its divisors is an integer number (38784720).

Almost surely, 2^655085725 is an apocalyptic number.

It is an amenable number.

655085725 is a deficient number, since it is larger than the sum of its proper divisors (275747555).

655085725 is a wasteful number, since it uses less digits than its factorization.

655085725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 655085725 is about 25594.6425058058. The cubic root of 655085725 is about 868.4924457778.

The spelling of 655085725 in words is "six hundred fifty-five million, eighty-five thousand, seven hundred twenty-five".