349259503 has 2 divisors, whose sum is σ = 349259504. Its totient is φ = 349259502.

The previous prime is 349259489. The next prime is 349259513. The reversal of 349259503 is 305952943.

It is a strong prime.

It is an emirp because it is prime and its reverse (305952943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349259503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349259513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174629751 + 174629752.

It is an arithmetic number, because the mean of its divisors is an integer number (174629752).

Almost surely, 2^349259503 is an apocalyptic number.

349259503 is a deficient number, since it is larger than the sum of its proper divisors (1).

349259503 is an equidigital number, since it uses as much as digits as its factorization.

349259503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 349259503 is about 18688.4858402172. The cubic root of 349259503 is about 704.2325219519.

The spelling of 349259503 in words is "three hundred forty-nine million, two hundred fifty-nine thousand, five hundred three".