242334581 has 2 divisors, whose sum is σ = 242334582. Its totient is φ = 242334580.

The previous prime is 242334553. The next prime is 242334583. The reversal of 242334581 is 185433242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242300356 + 34225 = 15566^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 242334581 - 2²⁶ = 175225717 is a prime.

It is a super-2 number, since 2×242334581² = 117452098296891122, which contains 22 as substring.

Together with 242334583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242334583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121167290 + 121167291.

It is an arithmetic number, because the mean of its divisors is an integer number (121167291).

Almost surely, 2^242334581 is an apocalyptic number.

It is an amenable number.

242334581 is a deficient number, since it is larger than the sum of its proper divisors (1).

242334581 is an equidigital number, since it uses as much as digits as its factorization.

242334581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 242334581 is about 15567.0993123318. The cubic root of 242334581 is about 623.4550264912.

The spelling of 242334581 in words is "two hundred forty-two million, three hundred thirty-four thousand, five hundred eighty-one".