342249539 has 2 divisors, whose sum is σ = 342249540. Its totient is φ = 342249538.

The previous prime is 342249521. The next prime is 342249563. The reversal of 342249539 is 935942243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342249539 - 2²⁰ = 341200963 is a prime.

It is a super-3 number, since 3×342249539³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342249496 and 342249505.

It is not a weakly prime, because it can be changed into another prime (342249569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171124769 + 171124770.

It is an arithmetic number, because the mean of its divisors is an integer number (171124770).

Almost surely, 2^342249539 is an apocalyptic number.

342249539 is a deficient number, since it is larger than the sum of its proper divisors (1).

342249539 is an equidigital number, since it uses as much as digits as its factorization.

342249539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 342249539 is about 18499.9875405363. The cubic root of 342249539 is about 699.4891095335.

The spelling of 342249539 in words is "three hundred forty-two million, two hundred forty-nine thousand, five hundred thirty-nine".