255535253 has 4 divisors (see below), whose sum is σ = 259349280. Its totient is φ = 251721228.

The previous prime is 255535249. The next prime is 255535289. The reversal of 255535253 is 352535552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255535253 - 2² = 255535249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255535243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906913 + ... + 1907046.

It is an arithmetic number, because the mean of its divisors is an integer number (64837320).

Almost surely, 2^255535253 is an apocalyptic number.

It is an amenable number.

255535253 is a deficient number, since it is larger than the sum of its proper divisors (3814027).

255535253 is an equidigital number, since it uses as much as digits as its factorization.

255535253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814026.

The product of its digits is 112500, while the sum is 35.

The square root of 255535253 is about 15985.4700587753. The cubic root of 255535253 is about 634.5759485149.

The spelling of 255535253 in words is "two hundred fifty-five million, five hundred thirty-five thousand, two hundred fifty-three".