242504279 has 2 divisors, whose sum is σ = 242504280. Its totient is φ = 242504278.

The previous prime is 242504267. The next prime is 242504281. The reversal of 242504279 is 972405242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242504279 - 2²⁴ = 225727063 is a prime.

Together with 242504281, 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 (242504209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121252139 + 121252140.

It is an arithmetic number, because the mean of its divisors is an integer number (121252140).

Almost surely, 2^242504279 is an apocalyptic number.

242504279 is a deficient number, since it is larger than the sum of its proper divisors (1).

242504279 is an equidigital number, since it uses as much as digits as its factorization.

242504279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 242504279 is about 15572.5488922013. The cubic root of 242504279 is about 623.6005200818.

The spelling of 242504279 in words is "two hundred forty-two million, five hundred four thousand, two hundred seventy-nine".