349712325 has 18 divisors (see below), whose sum is σ = 626374034. Its totient is φ = 186513120.

The previous prime is 349712323. The next prime is 349712369. The reversal of 349712325 is 523217943.

It can be written as a sum of positive squares in 3 ways, for example, as 1292769 + 348419556 = 1137^2 + 18666^2 .

It is not a de Polignac number, because 349712325 - 2¹ = 349712323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349712325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349712323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 776914 + ... + 777363.

Almost surely, 2^349712325 is an apocalyptic number.

It is an amenable number.

349712325 is a deficient number, since it is larger than the sum of its proper divisors (276661709).

349712325 is a wasteful number, since it uses less digits than its factorization.

349712325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554293 (or 1554285 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 349712325 is about 18700.5969156067. The cubic root of 349712325 is about 704.5367410772.

The spelling of 349712325 in words is "three hundred forty-nine million, seven hundred twelve thousand, three hundred twenty-five".