255832681 has 8 divisors (see below), whose sum is σ = 275647680. Its totient is φ = 236037072.

The previous prime is 255832669. The next prime is 255832721. The reversal of 255832681 is 186238552.

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 255832681 - 2⁵ = 255832649 is a prime.

It is a super-2 number, since 2×255832681² = 130900721335295522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255832481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34350 + ... + 41128.

It is an arithmetic number, because the mean of its divisors is an integer number (34455960).

Almost surely, 2^255832681 is an apocalyptic number.

It is an amenable number.

255832681 is a deficient number, since it is larger than the sum of its proper divisors (19814999).

255832681 is a wasteful number, since it uses less digits than its factorization.

255832681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695.

The product of its digits is 115200, while the sum is 40.

The square root of 255832681 is about 15994.7704266113. The cubic root of 255832681 is about 634.8220560776.

The spelling of 255832681 in words is "two hundred fifty-five million, eight hundred thirty-two thousand, six hundred eighty-one".