255069959 has 4 divisors (see below), whose sum is σ = 255220920. Its totient is φ = 254919000.

The previous prime is 255069923. The next prime is 255069961. The reversal of 255069959 is 959960552.

255069959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255069959 - 2¹⁶ = 255004423 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 (255069359) 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, 72917 + ... + 76334.

It is an arithmetic number, because the mean of its divisors is an integer number (63805230).

Almost surely, 2^255069959 is an apocalyptic number.

255069959 is a deficient number, since it is larger than the sum of its proper divisors (150961).

255069959 is a wasteful number, since it uses less digits than its factorization.

255069959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150960.

The product of its (nonzero) digits is 1093500, while the sum is 50.

The square root of 255069959 is about 15970.9097737105. The cubic root of 255069959 is about 634.1905564524.

The spelling of 255069959 in words is "two hundred fifty-five million, sixty-nine thousand, nine hundred fifty-nine".