349351251 has 4 divisors (see below), whose sum is σ = 465801672. Its totient is φ = 232900832.

The previous prime is 349351243. The next prime is 349351253. The reversal of 349351251 is 152153943.

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

It is a cyclic number.

It is not a de Polignac number, because 349351251 - 2³ = 349351243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349351253) 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, 58225206 + ... + 58225211.

It is an arithmetic number, because the mean of its divisors is an integer number (116450418).

Almost surely, 2^349351251 is an apocalyptic number.

349351251 is a deficient number, since it is larger than the sum of its proper divisors (116450421).

349351251 is a wasteful number, since it uses less digits than its factorization.

349351251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116450420.

The product of its digits is 16200, while the sum is 33.

The square root of 349351251 is about 18690.9403455257. The cubic root of 349351251 is about 704.2941821863.

The spelling of 349351251 in words is "three hundred forty-nine million, three hundred fifty-one thousand, two hundred fifty-one".