508242 has 16 divisors (see below), whose sum is σ = 1161792. Its totient is φ = 145200.

The previous prime is 508237. The next prime is 508243. The reversal of 508242 is 242805.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (508243) by changing a digit.

508242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6009 + ... + 6092.

It is an arithmetic number, because the mean of its divisors is an integer number (72612).

2⁵⁰⁸²⁴² is an apocalyptic number.

508242 is an abundant number, since it is smaller than the sum of its proper divisors (653550).

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

508242 is a wasteful number, since it uses less digits than its factorization.

508242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 508242 is about 712.9109341285. The cubic root of 508242 is about 79.8037899972.

It can be divided in two parts, 5082 and 42, that multiplied together give a square (213444 = 462²).

The spelling of 508242 in words is "five hundred eight thousand, two hundred forty-two".