242587199 has 2 divisors, whose sum is σ = 242587200. Its totient is φ = 242587198.

The previous prime is 242587181. The next prime is 242587217. The reversal of 242587199 is 991785242.

It is a balanced prime because it is at equal distance from previous prime (242587181) and next prime (242587217).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242587199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242587139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121293599 + 121293600.

It is an arithmetic number, because the mean of its divisors is an integer number (121293600).

Almost surely, 2^242587199 is an apocalyptic number.

242587199 is a deficient number, since it is larger than the sum of its proper divisors (1).

242587199 is an equidigital number, since it uses as much as digits as its factorization.

242587199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 242587199 is about 15575.2110419089. The cubic root of 242587199 is about 623.6715883296.

The spelling of 242587199 in words is "two hundred forty-two million, five hundred eighty-seven thousand, one hundred ninety-nine".