255203231 has 8 divisors (see below), whose sum is σ = 269094000. Its totient is φ = 241358400.

The previous prime is 255203227. The next prime is 255203233. The reversal of 255203231 is 132302552.

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 255203231 - 2² = 255203227 is a prime.

It is a super-2 number, since 2×255203231² = 130257378225678722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255203197 and 255203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255203233) 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, 245 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (33636750).

Almost surely, 2^255203231 is an apocalyptic number.

255203231 is a deficient number, since it is larger than the sum of its proper divisors (13890769).

255203231 is a wasteful number, since it uses less digits than its factorization.

255203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22969.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 255203231 is about 15975.0815647370. The cubic root of 255203231 is about 634.3009903743.

Adding to 255203231 its reverse (132302552), we get a palindrome (387505783).

The spelling of 255203231 in words is "two hundred fifty-five million, two hundred three thousand, two hundred thirty-one".