242004531 has 8 divisors (see below), whose sum is σ = 331393744. Its totient is φ = 156975840.

The previous prime is 242004491. The next prime is 242004547. The reversal of 242004531 is 135400242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242004531 - 2⁶ = 242004467 is a prime.

It is a super-2 number, since 2×242004531² = 117132386049059922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242004498 and 242004507.

It is not an unprimeable number, because it can be changed into a prime (242004031) 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, 1090000 + ... + 1090221.

It is an arithmetic number, because the mean of its divisors is an integer number (41424218).

Almost surely, 2^242004531 is an apocalyptic number.

242004531 is a deficient number, since it is larger than the sum of its proper divisors (89389213).

242004531 is a wasteful number, since it uses less digits than its factorization.

242004531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180261.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 242004531 is about 15556.4948172781. The cubic root of 242004531 is about 623.1718576332.

Adding to 242004531 its reverse (135400242), we get a palindrome (377404773).

The spelling of 242004531 in words is "two hundred forty-two million, four thousand, five hundred thirty-one".