242531502 has 16 divisors (see below), whose sum is σ = 489866832. Its totient is φ = 80043200.

The previous prime is 242531483. The next prime is 242531533. The reversal of 242531502 is 205135242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199503 + ... + 200714.

It is an arithmetic number, because the mean of its divisors is an integer number (30616677).

Almost surely, 2^242531502 is an apocalyptic number.

242531502 is an abundant number, since it is smaller than the sum of its proper divisors (247335330).

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

242531502 is a wasteful number, since it uses less digits than its factorization.

242531502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400323.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 242531502 is about 15573.4229378130. The cubic root of 242531502 is about 623.6238538855.

Adding to 242531502 its reverse (205135242), we get a palindrome (447666744).

The spelling of 242531502 in words is "two hundred forty-two million, five hundred thirty-one thousand, five hundred two".