242342479 has 2 divisors, whose sum is σ = 242342480. Its totient is φ = 242342478.

The previous prime is 242342393. The next prime is 242342483. The reversal of 242342479 is 974243242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242342479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242342579) 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, 121171239 + 121171240.

It is an arithmetic number, because the mean of its divisors is an integer number (121171240).

Almost surely, 2^242342479 is an apocalyptic number.

242342479 is a deficient number, since it is larger than the sum of its proper divisors (1).

242342479 is an equidigital number, since it uses as much as digits as its factorization.

242342479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 242342479 is about 15567.3529862980. The cubic root of 242342479 is about 623.4617994884.

The spelling of 242342479 in words is "two hundred forty-two million, three hundred forty-two thousand, four hundred seventy-nine".