255231413 has 2 divisors, whose sum is σ = 255231414. Its totient is φ = 255231412.

The previous prime is 255231397. The next prime is 255231419. The reversal of 255231413 is 314132552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203290564 + 51940849 = 14258^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 255231413 - 2⁴ = 255231397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255231419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127615706 + 127615707.

It is an arithmetic number, because the mean of its divisors is an integer number (127615707).

Almost surely, 2^255231413 is an apocalyptic number.

It is an amenable number.

255231413 is a deficient number, since it is larger than the sum of its proper divisors (1).

255231413 is an equidigital number, since it uses as much as digits as its factorization.

255231413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 255231413 is about 15975.9636016110. The cubic root of 255231413 is about 634.3243380574.

Adding to 255231413 its reverse (314132552), we get a palindrome (569363965).

The spelling of 255231413 in words is "two hundred fifty-five million, two hundred thirty-one thousand, four hundred thirteen".