255515253 has 48 divisors (see below), whose sum is σ = 426980160. Its totient is φ = 135012864.

The previous prime is 255515231. The next prime is 255515263. The reversal of 255515253 is 352515552.

It is not a de Polignac number, because 255515253 - 2¹⁰ = 255514229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255515213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146575 + ... + 148307.

It is an arithmetic number, because the mean of its divisors is an integer number (8895420).

Almost surely, 2^255515253 is an apocalyptic number.

It is an amenable number.

255515253 is a deficient number, since it is larger than the sum of its proper divisors (171464907).

255515253 is a wasteful number, since it uses less digits than its factorization.

255515253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1819 counting only the distinct ones).

The product of its digits is 37500, while the sum is 33.

The square root of 255515253 is about 15984.8444784427. The cubic root of 255515253 is about 634.5593926126.

The spelling of 255515253 in words is "two hundred fifty-five million, five hundred fifteen thousand, two hundred fifty-three".