255371761 has 12 divisors (see below), whose sum is σ = 270369792. Its totient is φ = 241168824.

The previous prime is 255371759. The next prime is 255371771. The reversal of 255371761 is 167173552.

It is not a de Polignac number, because 255371761 - 2¹ = 255371759 is a prime.

It is a super-2 number, since 2×255371761² = 130429472632482242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255371761.

It is not an unprimeable number, because it can be changed into a prime (255371731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137340 + ... + 139186.

It is an arithmetic number, because the mean of its divisors is an integer number (22530816).

Almost surely, 2^255371761 is an apocalyptic number.

It is an amenable number.

255371761 is a deficient number, since it is larger than the sum of its proper divisors (14998031).

255371761 is a wasteful number, since it uses less digits than its factorization.

255371761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2249 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 255371761 is about 15980.3554716408. The cubic root of 255371761 is about 634.4405852937.

The spelling of 255371761 in words is "two hundred fifty-five million, three hundred seventy-one thousand, seven hundred sixty-one".