194085425 has 12 divisors (see below), whose sum is σ = 240865536. Its totient is φ = 155139600.

The previous prime is 194085421. The next prime is 194085427. The reversal of 194085425 is 524580491.

It is not a de Polignac number, because 194085425 - 2² = 194085421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (194085421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37760 + ... + 42590.

It is an arithmetic number, because the mean of its divisors is an integer number (20072128).

Almost surely, 2^194085425 is an apocalyptic number.

It is an amenable number.

194085425 is a deficient number, since it is larger than the sum of its proper divisors (46780111).

194085425 is a wasteful number, since it uses less digits than its factorization.

194085425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448 (or 6443 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 194085425 is about 13931.4545184629. The cubic root of 194085425 is about 578.9809941431.

The spelling of 194085425 in words is "one hundred ninety-four million, eighty-five thousand, four hundred twenty-five".