255430459 has 2 divisors, whose sum is σ = 255430460. Its totient is φ = 255430458.

The previous prime is 255430393. The next prime is 255430489. The reversal of 255430459 is 954034552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255430459 - 2¹³ = 255422267 is a prime.

It is not a weakly prime, because it can be changed into another prime (255430489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127715229 + 127715230.

It is an arithmetic number, because the mean of its divisors is an integer number (127715230).

Almost surely, 2^255430459 is an apocalyptic number.

255430459 is a deficient number, since it is larger than the sum of its proper divisors (1).

255430459 is an equidigital number, since it uses as much as digits as its factorization.

255430459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 255430459 is about 15982.1919335240. The cubic root of 255430459 is about 634.4891909558.

The spelling of 255430459 in words is "two hundred fifty-five million, four hundred thirty thousand, four hundred fifty-nine".