255829231 has 8 divisors (see below), whose sum is σ = 299176064. Its totient is φ = 214182360.

The previous prime is 255829229. The next prime is 255829241. The reversal of 255829231 is 132928552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255829231 - 2¹ = 255829229 is a prime.

It is a super-2 number, since 2×255829231² = 130897190868102722, 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 (255829241) 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, 424665 + ... + 425266.

It is an arithmetic number, because the mean of its divisors is an integer number (37397008).

Almost surely, 2^255829231 is an apocalyptic number.

255829231 is a deficient number, since it is larger than the sum of its proper divisors (43346833).

255829231 is an equidigital number, since it uses as much as digits as its factorization.

255829231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849981.

The product of its digits is 43200, while the sum is 37.

The square root of 255829231 is about 15994.6625784979. The cubic root of 255829231 is about 634.8192024600.

The spelling of 255829231 in words is "two hundred fifty-five million, eight hundred twenty-nine thousand, two hundred thirty-one".