242542504 has 16 divisors (see below), whose sum is σ = 455992020. Its totient is φ = 120944640.

The previous prime is 242542501. The next prime is 242542523. The reversal of 242542504 is 405245242.

It can be written as a sum of positive squares in 2 ways, for example, as 217562500 + 24980004 = 14750^2 + 4998^2 .

It is not an unprimeable number, because it can be changed into a prime (242542501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37657 + ... + 43624.

Almost surely, 2^242542504 is an apocalyptic number.

It is an amenable number.

242542504 is a deficient number, since it is larger than the sum of its proper divisors (213449516).

242542504 is a wasteful number, since it uses less digits than its factorization.

242542504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81660 (or 81656 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 242542504 is about 15573.7761637953. The cubic root of 242542504 is about 623.6332835965.

Adding to 242542504 its reverse (405245242), we get a palindrome (647787746).

The spelling of 242542504 in words is "two hundred forty-two million, five hundred forty-two thousand, five hundred four".