242308799 has 2 divisors, whose sum is σ = 242308800. Its totient is φ = 242308798.

The previous prime is 242308757. The next prime is 242308823. The reversal of 242308799 is 997803242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242308799 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242308699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121154399 + 121154400.

It is an arithmetic number, because the mean of its divisors is an integer number (121154400).

Almost surely, 2^242308799 is an apocalyptic number.

242308799 is a deficient number, since it is larger than the sum of its proper divisors (1).

242308799 is an equidigital number, since it uses as much as digits as its factorization.

242308799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 242308799 is about 15566.2711976889. The cubic root of 242308799 is about 623.4329158931.

The spelling of 242308799 in words is "two hundred forty-two million, three hundred eight thousand, seven hundred ninety-nine".