194506925 has 6 divisors (see below), whose sum is σ = 241188618. Its totient is φ = 155605520.

The previous prime is 194506909. The next prime is 194506937. The reversal of 194506925 is 529605491.

It can be written as a sum of positive squares in 3 ways, for example, as 5004169 + 189502756 = 2237^2 + 13766^2 .

It is not a de Polignac number, because 194506925 - 2⁴ = 194506909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890114 + ... + 3890163.

It is an arithmetic number, because the mean of its divisors is an integer number (40198103).

Almost surely, 2^194506925 is an apocalyptic number.

It is an amenable number.

194506925 is a deficient number, since it is larger than the sum of its proper divisors (46681693).

194506925 is an equidigital number, since it uses as much as digits as its factorization.

194506925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780287 (or 7780282 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 194506925 is about 13946.5739520500. The cubic root of 194506925 is about 579.3998200956.

The spelling of 194506925 in words is "one hundred ninety-four million, five hundred six thousand, nine hundred twenty-five".