342504493 has 2 divisors, whose sum is σ = 342504494. Its totient is φ = 342504492.

The previous prime is 342504467. The next prime is 342504509. The reversal of 342504493 is 394405243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206152164 + 136352329 = 14358^2 + 11677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342504493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342504403) 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, 171252246 + 171252247.

It is an arithmetic number, because the mean of its divisors is an integer number (171252247).

Almost surely, 2^342504493 is an apocalyptic number.

It is an amenable number.

342504493 is a deficient number, since it is larger than the sum of its proper divisors (1).

342504493 is an equidigital number, since it uses as much as digits as its factorization.

342504493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 342504493 is about 18506.8769110296. The cubic root of 342504493 is about 699.6627579597.

The spelling of 342504493 in words is "three hundred forty-two million, five hundred four thousand, four hundred ninety-three".