255452399 has 2 divisors, whose sum is σ = 255452400. Its totient is φ = 255452398.

The previous prime is 255452381. The next prime is 255452401. The reversal of 255452399 is 993254552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255452399 - 2¹⁶ = 255386863 is a prime.

It is a Sophie Germain prime.

Together with 255452401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255152399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127726199 + 127726200.

It is an arithmetic number, because the mean of its divisors is an integer number (127726200).

Almost surely, 2^255452399 is an apocalyptic number.

255452399 is a deficient number, since it is larger than the sum of its proper divisors (1).

255452399 is an equidigital number, since it uses as much as digits as its factorization.

255452399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 44.

The square root of 255452399 is about 15982.8783077392. The cubic root of 255452399 is about 634.5073567537.

The spelling of 255452399 in words is "two hundred fifty-five million, four hundred fifty-two thousand, three hundred ninety-nine".