655503125 has 24 divisors (see below), whose sum is σ = 836946432. Its totient is φ = 513130000.

The previous prime is 655503089. The next prime is 655503179. The reversal of 655503125 is 521305556.

It is not a de Polignac number, because 655503125 - 2¹² = 655499029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655503091 and 655503100.

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, 144644 + ... + 149106.

It is an arithmetic number, because the mean of its divisors is an integer number (34872768).

Almost surely, 2^655503125 is an apocalyptic number.

It is an amenable number.

655503125 is a deficient number, since it is larger than the sum of its proper divisors (181443307).

655503125 is an frugal number, since it uses more digits than its factorization.

655503125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4515 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 655503125 is about 25602.7952575495. The cubic root of 655503125 is about 868.6768652959.

The spelling of 655503125 in words is "six hundred fifty-five million, five hundred three thousand, one hundred twenty-five".