349117259 has 4 divisors (see below), whose sum is σ = 352716504. Its totient is φ = 345518016.

The previous prime is 349117247. The next prime is 349117277. The reversal of 349117259 is 952711943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952711943 = 17 ⋅56041879.

It is a cyclic number.

It is not a de Polignac number, because 349117259 - 2⁴ = 349117243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349117159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799477 + ... + 1799670.

It is an arithmetic number, because the mean of its divisors is an integer number (88179126).

Almost surely, 2^349117259 is an apocalyptic number.

349117259 is a deficient number, since it is larger than the sum of its proper divisors (3599245).

349117259 is an equidigital number, since it uses as much as digits as its factorization.

349117259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599244.

The product of its digits is 68040, while the sum is 41.

The square root of 349117259 is about 18684.6797938846. The cubic root of 349117259 is about 704.1369039827.

The spelling of 349117259 in words is "three hundred forty-nine million, one hundred seventeen thousand, two hundred fifty-nine".