242534419 has 2 divisors, whose sum is σ = 242534420. Its totient is φ = 242534418.

The previous prime is 242534407. The next prime is 242534423. The reversal of 242534419 is 914435242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242534419 is a prime.

It is a super-2 number, since 2×242534419² = 117645888799335122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242534119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121267209 + 121267210.

It is an arithmetic number, because the mean of its divisors is an integer number (121267210).

Almost surely, 2^242534419 is an apocalyptic number.

242534419 is a deficient number, since it is larger than the sum of its proper divisors (1).

242534419 is an equidigital number, since it uses as much as digits as its factorization.

242534419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 242534419 is about 15573.5165906741. The cubic root of 242534419 is about 623.6263540467.

The spelling of 242534419 in words is "two hundred forty-two million, five hundred thirty-four thousand, four hundred nineteen".