255412231 has 4 divisors (see below), whose sum is σ = 268855000. Its totient is φ = 241969464.

The previous prime is 255412139. The next prime is 255412237. The reversal of 255412231 is 132214552.

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 255412231 - 2²⁷ = 121194503 is a prime.

It is a super-2 number, since 2×255412231² = 130470815488794722, 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 = 255412196 and 255412205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255412237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721356 + ... + 6721393.

It is an arithmetic number, because the mean of its divisors is an integer number (67213750).

Almost surely, 2^255412231 is an apocalyptic number.

255412231 is a deficient number, since it is larger than the sum of its proper divisors (13442769).

255412231 is a wasteful number, since it uses less digits than its factorization.

255412231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442768.

The product of its digits is 2400, while the sum is 25.

The square root of 255412231 is about 15981.6216636485. The cubic root of 255412231 is about 634.4740978144.

Adding to 255412231 its reverse (132214552), we get a palindrome (387626783).

It can be divided in two parts, 25541 and 2231, that added together give a palindrome (27772).

The spelling of 255412231 in words is "two hundred fifty-five million, four hundred twelve thousand, two hundred thirty-one".