255573231 has 4 divisors (see below), whose sum is σ = 340764312. Its totient is φ = 170382152.

The previous prime is 255573221. The next prime is 255573277. The reversal of 255573231 is 132375552.

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

It is a cyclic number.

It is not a de Polignac number, because 255573231 - 2⁶ = 255573167 is a prime.

It is a super-2 number, since 2×255573231² = 130635352807558722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255573192 and 255573201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255573211) 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, 42595536 + ... + 42595541.

It is an arithmetic number, because the mean of its divisors is an integer number (85191078).

Almost surely, 2^255573231 is an apocalyptic number.

255573231 is a deficient number, since it is larger than the sum of its proper divisors (85191081).

255573231 is an equidigital number, since it uses as much as digits as its factorization.

255573231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85191080.

The product of its digits is 31500, while the sum is 33.

The square root of 255573231 is about 15986.6579058914. The cubic root of 255573231 is about 634.6073841404.

The spelling of 255573231 in words is "two hundred fifty-five million, five hundred seventy-three thousand, two hundred thirty-one".