255464251 has 4 divisors (see below), whose sum is σ = 291959152. Its totient is φ = 218969352.

The previous prime is 255464239. The next prime is 255464267. The reversal of 255464251 is 152464552.

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

It is not a de Polignac number, because 255464251 - 2¹¹ = 255462203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255464201) 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, 18247440 + ... + 18247453.

It is an arithmetic number, because the mean of its divisors is an integer number (72989788).

Almost surely, 2^255464251 is an apocalyptic number.

255464251 is a deficient number, since it is larger than the sum of its proper divisors (36494901).

255464251 is an equidigital number, since it uses as much as digits as its factorization.

255464251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36494900.

The product of its digits is 48000, while the sum is 34.

The square root of 255464251 is about 15983.2490752037. The cubic root of 255464251 is about 634.5171694950.

The spelling of 255464251 in words is "two hundred fifty-five million, four hundred sixty-four thousand, two hundred fifty-one".