501258 has 16 divisors (see below), whose sum is σ = 1055520. Its totient is φ = 158256.

The previous prime is 501257. The next prime is 501271. The reversal of 501258 is 852105.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2085 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (65970).

2⁵⁰¹²⁵⁸ is an apocalyptic number.

501258 is an abundant number, since it is smaller than the sum of its proper divisors (554262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501258 is a wasteful number, since it uses less digits than its factorization.

501258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 501258 is about 707.9957626992. The cubic root of 501258 is about 79.4365618679.

The spelling of 501258 in words is "five hundred one thousand, two hundred fifty-eight".