242329487 has 2 divisors, whose sum is σ = 242329488. Its totient is φ = 242329486.

The previous prime is 242329429. The next prime is 242329489. The reversal of 242329487 is 784923242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242329487 - 2²⁰ = 241280911 is a prime.

Together with 242329489, 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 (242329489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121164743 + 121164744.

It is an arithmetic number, because the mean of its divisors is an integer number (121164744).

Almost surely, 2^242329487 is an apocalyptic number.

242329487 is a deficient number, since it is larger than the sum of its proper divisors (1).

242329487 is an equidigital number, since it uses as much as digits as its factorization.

242329487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 242329487 is about 15566.9356971756. The cubic root of 242329487 is about 623.4506580100.

The spelling of 242329487 in words is "two hundred forty-two million, three hundred twenty-nine thousand, four hundred eighty-seven".