342503353 has 2 divisors, whose sum is σ = 342503354. Its totient is φ = 342503352.

The previous prime is 342503351. The next prime is 342503363. The reversal of 342503353 is 353305243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290259369 + 52243984 = 17037^2 + 7228^2 .

It is a cyclic number.

It is not a de Polignac number, because 342503353 - 2¹ = 342503351 is a prime.

Together with 342503351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342503351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171251676 + 171251677.

It is an arithmetic number, because the mean of its divisors is an integer number (171251677).

Almost surely, 2^342503353 is an apocalyptic number.

It is an amenable number.

342503353 is a deficient number, since it is larger than the sum of its proper divisors (1).

342503353 is an equidigital number, since it uses as much as digits as its factorization.

342503353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 342503353 is about 18506.8461116420. The cubic root of 342503353 is about 699.6619817008.

Adding to 342503353 its reverse (353305243), we get a palindrome (695808596).

The spelling of 342503353 in words is "three hundred forty-two million, five hundred three thousand, three hundred fifty-three".