255080831 has 4 divisors (see below), whose sum is σ = 257464872. Its totient is φ = 252696792.

The previous prime is 255080821. The next prime is 255080843. The reversal of 255080831 is 138080552.

It is a happy number.

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-255080831 is a prime.

It is a super-2 number, since 2×255080831² = 130132460687301122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255080821) 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, 1191860 + ... + 1192073.

It is an arithmetic number, because the mean of its divisors is an integer number (64366218).

Almost surely, 2^255080831 is an apocalyptic number.

255080831 is a deficient number, since it is larger than the sum of its proper divisors (2384041).

255080831 is a wasteful number, since it uses less digits than its factorization.

255080831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384040.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 255080831 is about 15971.2501389215. The cubic root of 255080831 is about 634.1995668193.

The spelling of 255080831 in words is "two hundred fifty-five million, eighty thousand, eight hundred thirty-one".