242462239 has 2 divisors, whose sum is σ = 242462240. Its totient is φ = 242462238.

The previous prime is 242462219. The next prime is 242462257. The reversal of 242462239 is 932264242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242462239 - 2²⁵ = 208907807 is a prime.

It is equal to p_13289128 and since 242462239 and 13289128 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242462219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121231119 + 121231120.

It is an arithmetic number, because the mean of its divisors is an integer number (121231120).

Almost surely, 2^242462239 is an apocalyptic number.

242462239 is a deficient number, since it is larger than the sum of its proper divisors (1).

242462239 is an equidigital number, since it uses as much as digits as its factorization.

242462239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 242462239 is about 15571.1990225544. The cubic root of 242462239 is about 623.5644826683.

The spelling of 242462239 in words is "two hundred forty-two million, four hundred sixty-two thousand, two hundred thirty-nine".