255216253 has 8 divisors (see below), whose sum is σ = 264297816. Its totient is φ = 246292800.

The previous prime is 255216239. The next prime is 255216277. The reversal of 255216253 is 352612552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79524 + 255136729 = 282^2 + 15973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255216253 - 2²⁵ = 221661821 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 (255216553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36238 + ... + 42703.

It is an arithmetic number, because the mean of its divisors is an integer number (33037227).

Almost surely, 2^255216253 is an apocalyptic number.

It is an amenable number.

255216253 is a deficient number, since it is larger than the sum of its proper divisors (9081563).

255216253 is an equidigital number, since it uses as much as digits as its factorization.

255216253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79055.

The product of its digits is 18000, while the sum is 31.

The square root of 255216253 is about 15975.4891317919. The cubic root of 255216253 is about 634.3117788048.

The spelling of 255216253 in words is "two hundred fifty-five million, two hundred sixteen thousand, two hundred fifty-three".