501255 has 32 divisors (see below), whose sum is σ = 921600. Its totient is φ = 258336.

The previous prime is 501233. The next prime is 501257. The reversal of 501255 is 552105.

It is not a de Polignac number, because 501255 - 2⁵ = 501223 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501255.

It is not an unprimeable number, because it can be changed into a prime (501257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6306 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2⁵⁰¹²⁵⁵ is an apocalyptic number.

501255 is a deficient number, since it is larger than the sum of its proper divisors (420345).

501255 is a wasteful number, since it uses less digits than its factorization.

501255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 501255 is about 707.9936440393. The cubic root of 501255 is about 79.4364033932.

The spelling of 501255 in words is "five hundred one thousand, two hundred fifty-five".