255106961 has 8 divisors (see below), whose sum is σ = 272692224. Its totient is φ = 238062880.

The previous prime is 255106949. The next prime is 255106987. The reversal of 255106961 is 169601552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-255106961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255106921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134321 + ... + 136206.

It is an arithmetic number, because the mean of its divisors is an integer number (34086528).

Almost surely, 2^255106961 is an apocalyptic number.

It is an amenable number.

255106961 is a deficient number, since it is larger than the sum of its proper divisors (17585263).

255106961 is a wasteful number, since it uses less digits than its factorization.

255106961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270591.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 255106961 is about 15972.0681503680. The cubic root of 255106961 is about 634.2212214830.

The spelling of 255106961 in words is "two hundred fifty-five million, one hundred six thousand, nine hundred sixty-one".