255432413 has 2 divisors, whose sum is σ = 255432414. Its totient is φ = 255432412.

The previous prime is 255432407. The next prime is 255432421. The reversal of 255432413 is 314234552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192737689 + 62694724 = 13883^2 + 7918^2 .

It is a cyclic number.

It is not a de Polignac number, because 255432413 - 2²² = 251238109 is a prime.

It is a super-2 number, since 2×255432413² = 130491435222005138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255432473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127716206 + 127716207.

It is an arithmetic number, because the mean of its divisors is an integer number (127716207).

Almost surely, 2^255432413 is an apocalyptic number.

It is an amenable number.

255432413 is a deficient number, since it is larger than the sum of its proper divisors (1).

255432413 is an equidigital number, since it uses as much as digits as its factorization.

255432413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 255432413 is about 15982.2530639456. The cubic root of 255432413 is about 634.4908088635.

Adding to 255432413 its reverse (314234552), we get a palindrome (569666965).

The spelling of 255432413 in words is "two hundred fifty-five million, four hundred thirty-two thousand, four hundred thirteen".