342478063 has 2 divisors, whose sum is σ = 342478064. Its totient is φ = 342478062.

The previous prime is 342478061. The next prime is 342478099. The reversal of 342478063 is 360874243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342478063 - 2¹ = 342478061 is a prime.

Together with 342478061, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342478061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171239031 + 171239032.

It is an arithmetic number, because the mean of its divisors is an integer number (171239032).

Almost surely, 2^342478063 is an apocalyptic number.

342478063 is a deficient number, since it is larger than the sum of its proper divisors (1).

342478063 is an equidigital number, since it uses as much as digits as its factorization.

342478063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 342478063 is about 18506.1628383628. The cubic root of 342478063 is about 699.6447605682.

The spelling of 342478063 in words is "three hundred forty-two million, four hundred seventy-eight thousand, sixty-three".