655525275 has 12 divisors (see below), whose sum is σ = 1083801912. Its totient is φ = 349613440.

The previous prime is 655525217. The next prime is 655525279. The reversal of 655525275 is 572525556.

It is not a de Polignac number, because 655525275 - 2¹⁰ = 655524251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655525279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4370094 + ... + 4370243.

It is an arithmetic number, because the mean of its divisors is an integer number (90316826).

Almost surely, 2^655525275 is an apocalyptic number.

655525275 is a deficient number, since it is larger than the sum of its proper divisors (428276637).

655525275 is a wasteful number, since it uses less digits than its factorization.

655525275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740350 (or 8740345 counting only the distinct ones).

The product of its digits is 525000, while the sum is 42.

The square root of 655525275 is about 25603.2278238506. The cubic root of 655525275 is about 868.6866496255.

The spelling of 655525275 in words is "six hundred fifty-five million, five hundred twenty-five thousand, two hundred seventy-five".