255234479 has 2 divisors, whose sum is σ = 255234480. Its totient is φ = 255234478.

The previous prime is 255234457. The next prime is 255234503. The reversal of 255234479 is 974432552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255234479 - 2⁸ = 255234223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255234409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127617239 + 127617240.

It is an arithmetic number, because the mean of its divisors is an integer number (127617240).

Almost surely, 2^255234479 is an apocalyptic number.

255234479 is a deficient number, since it is larger than the sum of its proper divisors (1).

255234479 is an equidigital number, since it uses as much as digits as its factorization.

255234479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 255234479 is about 15976.0595579761. The cubic root of 255234479 is about 634.3268780147.

The spelling of 255234479 in words is "two hundred fifty-five million, two hundred thirty-four thousand, four hundred seventy-nine".