242113589 has 2 divisors, whose sum is σ = 242113590. Its totient is φ = 242113588.

The previous prime is 242113583. The next prime is 242113601. The reversal of 242113589 is 985311242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195300625 + 46812964 = 13975^2 + 6842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242113589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242113583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121056794 + 121056795.

It is an arithmetic number, because the mean of its divisors is an integer number (121056795).

Almost surely, 2^242113589 is an apocalyptic number.

It is an amenable number.

242113589 is a deficient number, since it is larger than the sum of its proper divisors (1).

242113589 is an equidigital number, since it uses as much as digits as its factorization.

242113589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 242113589 is about 15559.9996465296. Note that the first 3 decimals coincide. The cubic root of 242113589 is about 623.2654532225.

The spelling of 242113589 in words is "two hundred forty-two million, one hundred thirteen thousand, five hundred eighty-nine".