655025 has 24 divisors (see below), whose sum is σ = 982080. Its totient is φ = 423360.

The previous prime is 655021. The next prime is 655033. The reversal of 655025 is 520556.

It is not a de Polignac number, because 655025 - 2² = 655021 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655025.

It is not an unprimeable number, because it can be changed into a prime (655021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3227 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (40920).

2⁶⁵⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

655025 is a deficient number, since it is larger than the sum of its proper divisors (327055).

655025 is a wasteful number, since it uses less digits than its factorization.

655025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 655025 is about 809.3361477161. The cubic root of 655025 is about 86.8465609171.

The spelling of 655025 in words is "six hundred fifty-five thousand, twenty-five".