255017901 has 16 divisors (see below), whose sum is σ = 362245824. Its totient is φ = 159024384.

The previous prime is 255017891. The next prime is 255017921. The reversal of 255017901 is 109710552.

It is not a de Polignac number, because 255017901 - 2⁷ = 255017773 is a prime.

255017901 is a modest number, since divided by 17901 gives 255 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255017921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026 + ... + 23651.

It is an arithmetic number, because the mean of its divisors is an integer number (22640364).

Almost surely, 2^255017901 is an apocalyptic number.

It is an amenable number.

255017901 is a deficient number, since it is larger than the sum of its proper divisors (107227923).

255017901 is a wasteful number, since it uses less digits than its factorization.

255017901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30860.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 255017901 is about 15969.2799148866. The cubic root of 255017901 is about 634.1474088934.

The spelling of 255017901 in words is "two hundred fifty-five million, seventeen thousand, nine hundred one".