255018679 has 4 divisors (see below), whose sum is σ = 263245120. Its totient is φ = 246792240.

The previous prime is 255018661. The next prime is 255018697. The reversal of 255018679 is 976810552.

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

It is an interprime number because it is at equal distance from previous prime (255018661) and next prime (255018697).

It is a de Polignac number, because none of the positive numbers 2^k-255018679 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 (255018629) 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 in 3 ways as a sum of consecutive naturals, for example, 4113174 + ... + 4113235.

It is an arithmetic number, because the mean of its divisors is an integer number (65811280).

Almost surely, 2^255018679 is an apocalyptic number.

255018679 is a deficient number, since it is larger than the sum of its proper divisors (8226441).

255018679 is an equidigital number, since it uses as much as digits as its factorization.

255018679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226440.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 255018679 is about 15969.3042741379. The cubic root of 255018679 is about 634.1480537713.

The spelling of 255018679 in words is "two hundred fifty-five million, eighteen thousand, six hundred seventy-nine".