242504613 has 24 divisors (see below), whose sum is σ = 382410392. Its totient is φ = 147184128.

The previous prime is 242504593. The next prime is 242504651. The reversal of 242504613 is 316405242.

242504613 is a `hidden beast` number, since 2 + 42 + 5 + 0 + 4 + 613 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65561409 + 176943204 = 8097^2 + 13302^2 .

It is not a de Polignac number, because 242504613 - 2¹⁴ = 242488229 is a prime.

It is a super-3 number, since 3×242504613³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242504113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5656 + ... + 22737.

Almost surely, 2^242504613 is an apocalyptic number.

It is an amenable number.

242504613 is a deficient number, since it is larger than the sum of its proper divisors (139905779).

242504613 is a wasteful number, since it uses less digits than its factorization.

242504613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28485 (or 28482 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 242504613 is about 15572.5596161967. The cubic root of 242504613 is about 623.6008063757.

Adding to 242504613 its reverse (316405242), we get a palindrome (558909855).

The spelling of 242504613 in words is "two hundred forty-two million, five hundred four thousand, six hundred thirteen".