255679195 has 4 divisors (see below), whose sum is σ = 306815040. Its totient is φ = 204543352.

The previous prime is 255679189. The next prime is 255679217. The reversal of 255679195 is 591976552.

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 255679195 - 2⁵ = 255679163 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25567915 + ... + 25567924.

It is an arithmetic number, because the mean of its divisors is an integer number (76703760).

Almost surely, 2^255679195 is an apocalyptic number.

255679195 is a deficient number, since it is larger than the sum of its proper divisors (51135845).

255679195 is an equidigital number, since it uses as much as digits as its factorization.

255679195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51135844.

The product of its digits is 850500, while the sum is 49.

The square root of 255679195 is about 15989.9717010381. The cubic root of 255679195 is about 634.6950775256.

The spelling of 255679195 in words is "two hundred fifty-five million, six hundred seventy-nine thousand, one hundred ninety-five".