349051251 has 4 divisors (see below), whose sum is σ = 465401672. Its totient is φ = 232700832.

The previous prime is 349051249. The next prime is 349051273. The reversal of 349051251 is 152150943.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 349051251 - 2¹ = 349051249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349051231) 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, 58175206 + ... + 58175211.

It is an arithmetic number, because the mean of its divisors is an integer number (116350418).

Almost surely, 2^349051251 is an apocalyptic number.

349051251 is a deficient number, since it is larger than the sum of its proper divisors (116350421).

349051251 is a wasteful number, since it uses less digits than its factorization.

349051251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116350420.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 349051251 is about 18682.9133434805. The cubic root of 349051251 is about 704.0925238619.

The spelling of 349051251 in words is "three hundred forty-nine million, fifty-one thousand, two hundred fifty-one".