655248255 has 24 divisors (see below), whose sum is σ = 1113702672. Its totient is φ = 328906752.

The previous prime is 655248239. The next prime is 655248257. The reversal of 655248255 is 552842556.

It is not a de Polignac number, because 655248255 - 2⁴ = 655248239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655248257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71242 + ... + 79911.

It is an arithmetic number, because the mean of its divisors is an integer number (46404278).

Almost surely, 2^655248255 is an apocalyptic number.

655248255 is a deficient number, since it is larger than the sum of its proper divisors (458454417).

655248255 is a wasteful number, since it uses less digits than its factorization.

655248255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151195 (or 151178 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The square root of 655248255 is about 25597.8173874258. The cubic root of 655248255 is about 868.5642655919.

The spelling of 655248255 in words is "six hundred fifty-five million, two hundred forty-eight thousand, two hundred fifty-five".