342399503 has 2 divisors, whose sum is σ = 342399504. Its totient is φ = 342399502.

The previous prime is 342399469. The next prime is 342399521. The reversal of 342399503 is 305993243.

It is a strong prime.

It is an emirp because it is prime and its reverse (305993243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342399503 - 2⁶ = 342399439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342399553) 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, 171199751 + 171199752.

It is an arithmetic number, because the mean of its divisors is an integer number (171199752).

Almost surely, 2^342399503 is an apocalyptic number.

342399503 is a deficient number, since it is larger than the sum of its proper divisors (1).

342399503 is an equidigital number, since it uses as much as digits as its factorization.

342399503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 342399503 is about 18504.0401804579. The cubic root of 342399503 is about 699.5912600168.

The spelling of 342399503 in words is "three hundred forty-two million, three hundred ninety-nine thousand, five hundred three".