242885039 has 2 divisors, whose sum is σ = 242885040. Its totient is φ = 242885038.

The previous prime is 242885029. The next prime is 242885051. The reversal of 242885039 is 930588242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242885039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 242884987 and 242885005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242885029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121442519 + 121442520.

It is an arithmetic number, because the mean of its divisors is an integer number (121442520).

Almost surely, 2^242885039 is an apocalyptic number.

242885039 is a deficient number, since it is larger than the sum of its proper divisors (1).

242885039 is an equidigital number, since it uses as much as digits as its factorization.

242885039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 242885039 is about 15584.7694561068. The cubic root of 242885039 is about 623.9267245962.

The spelling of 242885039 in words is "two hundred forty-two million, eight hundred eighty-five thousand, thirty-nine".