242479 has 2 divisors, whose sum is σ = 242480. Its totient is φ = 242478.

The previous prime is 242467. The next prime is 242483. The reversal of 242479 is 974242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242479 - 2⁵ = 242447 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121239 + 121240.

It is an arithmetic number, because the mean of its divisors is an integer number (121240).

2²⁴²⁴⁷⁹ is an apocalyptic number.

242479 is a deficient number, since it is larger than the sum of its proper divisors (1).

242479 is an equidigital number, since it uses as much as digits as its factorization.

242479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 242479 is about 492.4215673587. The cubic root of 242479 is about 62.3578850986.

The spelling of 242479 in words is "two hundred forty-two thousand, four hundred seventy-nine".