255005253 has 20 divisors (see below), whose sum is σ = 403343820. Its totient is φ = 160002432.

The previous prime is 255005249. The next prime is 255005263. The reversal of 255005253 is 352500552.

It can be written as a sum of positive squares in 2 ways, for example, as 234916929 + 20088324 = 15327^2 + 4482^2 .

It is not a de Polignac number, because 255005253 - 2² = 255005249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255005263) 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 19 ways as a sum of consecutive naturals, for example, 91218 + ... + 93971.

It is an arithmetic number, because the mean of its divisors is an integer number (20167191).

Almost surely, 2^255005253 is an apocalyptic number.

It is an amenable number.

255005253 is a deficient number, since it is larger than the sum of its proper divisors (148338567).

255005253 is a wasteful number, since it uses less digits than its factorization.

255005253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185218 (or 185209 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 255005253 is about 15968.8838996343. The cubic root of 255005253 is about 634.1369248856.

The spelling of 255005253 in words is "two hundred fifty-five million, five thousand, two hundred fifty-three".