255289079 has 4 divisors (see below), whose sum is σ = 255366384. Its totient is φ = 255211776.

The previous prime is 255289057. The next prime is 255289081. The reversal of 255289079 is 970982552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255289079 - 2⁸ = 255288823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255288079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33467 + ... + 40380.

It is an arithmetic number, because the mean of its divisors is an integer number (63841596).

Almost surely, 2^255289079 is an apocalyptic number.

255289079 is a deficient number, since it is larger than the sum of its proper divisors (77305).

255289079 is an equidigital number, since it uses as much as digits as its factorization.

255289079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77304.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 255289079 is about 15977.7682734480. The cubic root of 255289079 is about 634.3721067240.

The spelling of 255289079 in words is "two hundred fifty-five million, two hundred eighty-nine thousand, seventy-nine".