242113653 has 6 divisors (see below), whose sum is σ = 349719734. Its totient is φ = 161409096.

The previous prime is 242113603. The next prime is 242113657. The reversal of 242113653 is 356311242.

242113653 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 1 + 3 + 653 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143568324 + 98545329 = 11982^2 + 9927^2 .

It is not a de Polignac number, because 242113653 - 2⁶ = 242113589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242113657) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13450750 + ... + 13450767.

Almost surely, 2^242113653 is an apocalyptic number.

It is an amenable number.

242113653 is a deficient number, since it is larger than the sum of its proper divisors (107606081).

242113653 is a wasteful number, since it uses less digits than its factorization.

242113653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26901523 (or 26901520 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 242113653 is about 15560.0017030847. The cubic root of 242113653 is about 623.2655081403.

Adding to 242113653 its reverse (356311242), we get a palindrome (598424895).

The spelling of 242113653 in words is "two hundred forty-two million, one hundred thirteen thousand, six hundred fifty-three".