349145225 has 48 divisors (see below), whose sum is σ = 513300480. Its totient is φ = 232243200.

The previous prime is 349145213. The next prime is 349145231. The reversal of 349145225 is 522541943.

It is not a de Polignac number, because 349145225 - 2¹² = 349141129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453641 + ... + 454409.

It is an arithmetic number, because the mean of its divisors is an integer number (10693760).

Almost surely, 2^349145225 is an apocalyptic number.

It is an amenable number.

349145225 is a deficient number, since it is larger than the sum of its proper divisors (164155255).

349145225 is a wasteful number, since it uses less digits than its factorization.

349145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 925 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 349145225 is about 18685.4281460180. The cubic root of 349145225 is about 704.1557050840.

The spelling of 349145225 in words is "three hundred forty-nine million, one hundred forty-five thousand, two hundred twenty-five".