242502 has 16 divisors (see below), whose sum is σ = 522480. Its totient is φ = 74592.

The previous prime is 242491. The next prime is 242509. The reversal of 242502 is 205242.

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 242502.

It is not an unprimeable number, because it can be changed into a prime (242509) 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, 1477 + ... + 1632.

It is an arithmetic number, because the mean of its divisors is an integer number (32655).

2²⁴²⁵⁰² is an apocalyptic number.

242502 is an abundant number, since it is smaller than the sum of its proper divisors (279978).

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

242502 is a wasteful number, since it uses less digits than its factorization.

242502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 242502 is about 492.4449207779. Note that the first 3 decimals coincide. The cubic root of 242502 is about 62.3598566590.

Adding to 242502 its reverse (205242), we get a palindrome (447744).

The spelling of 242502 in words is "two hundred forty-two thousand, five hundred two".