255267617 has 8 divisors (see below), whose sum is σ = 280184160. Its totient is φ = 230636160.

The previous prime is 255267613. The next prime is 255267643. The reversal of 255267617 is 716762552.

255267617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 255267617 - 2² = 255267613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255267611) 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, 69392 + ... + 72977.

It is an arithmetic number, because the mean of its divisors is an integer number (35023020).

Almost surely, 2^255267617 is an apocalyptic number.

It is an amenable number.

255267617 is a deficient number, since it is larger than the sum of its proper divisors (24916543).

255267617 is a wasteful number, since it uses less digits than its factorization.

255267617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142543.

The product of its digits is 176400, while the sum is 41.

The square root of 255267617 is about 15977.0966386262. The cubic root of 255267617 is about 634.3543291314.

The spelling of 255267617 in words is "two hundred fifty-five million, two hundred sixty-seven thousand, six hundred seventeen".