255252311 has 4 divisors (see below), whose sum is σ = 258748992. Its totient is φ = 251755632.

The previous prime is 255252269. The next prime is 255252391. The reversal of 255252311 is 113252552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255252311 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 (255252391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748231 + ... + 1748376.

It is an arithmetic number, because the mean of its divisors is an integer number (64687248).

Almost surely, 2^255252311 is an apocalyptic number.

255252311 is a deficient number, since it is larger than the sum of its proper divisors (3496681).

255252311 is an equidigital number, since it uses as much as digits as its factorization.

255252311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496680.

The product of its digits is 3000, while the sum is 26.

The square root of 255252311 is about 15976.6176332790. The cubic root of 255252311 is about 634.3416501222.

The spelling of 255252311 in words is "two hundred fifty-five million, two hundred fifty-two thousand, three hundred eleven".