242504 has 8 divisors (see below), whose sum is σ = 454710. Its totient is φ = 121248.

The previous prime is 242491. The next prime is 242509. The reversal of 242504 is 405242.

242504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 84100 = 398^2 + 290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242504.

It is not an unprimeable number, because it can be changed into a prime (242509) by changing a digit.

242504 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 as a sum of consecutive naturals, namely, 15149 + ... + 15164.

2²⁴²⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

242504 is a deficient number, since it is larger than the sum of its proper divisors (212206).

242504 is a wasteful number, since it uses less digits than its factorization.

242504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30319 (or 30315 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 242504 is about 492.4469514577. The cubic root of 242504 is about 62.3600280932.

Adding to 242504 its reverse (405242), we get a palindrome (647746).

The spelling of 242504 in words is "two hundred forty-two thousand, five hundred four".