242419 has 2 divisors, whose sum is σ = 242420. Its totient is φ = 242418.

The previous prime is 242413. The next prime is 242441. The reversal of 242419 is 914242.

It is an a-pointer prime, because the next prime (242441) can be obtained adding 242419 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242419 - 2⁹ = 241907 is a prime.

It is a super-2 number, since 2×242419² = 117533943122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242419.

It is not a weakly prime, because it can be changed into another prime (242413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121209 + 121210.

It is an arithmetic number, because the mean of its divisors is an integer number (121210).

2²⁴²⁴¹⁹ is an apocalyptic number.

242419 is a deficient number, since it is larger than the sum of its proper divisors (1).

242419 is an equidigital number, since it uses as much as digits as its factorization.

242419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 242419 is about 492.3606401816. The cubic root of 242419 is about 62.3527413106.

It can be divided in two parts, 2424 and 19, that multiplied together give a triangular number (46056 = T₃₀₃).

The spelling of 242419 in words is "two hundred forty-two thousand, four hundred nineteen".