394125225 has 96 divisors (see below), whose sum is σ = 742452480. Its totient is φ = 183106560.

The previous prime is 394125223. The next prime is 394125239. The reversal of 394125225 is 522521493.

It is not a de Polignac number, because 394125225 - 2¹ = 394125223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394125223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1498444 + ... + 1498706.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^394125225 is an apocalyptic number.

It is an amenable number.

394125225 is a deficient number, since it is larger than the sum of its proper divisors (348327255).

394125225 is a wasteful number, since it uses less digits than its factorization.

394125225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 366 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 394125225 is about 19852.5873628603. The cubic root of 394125225 is about 733.1813522282.

The spelling of 394125225 in words is "three hundred ninety-four million, one hundred twenty-five thousand, two hundred twenty-five".