194401425 has 24 divisors (see below), whose sum is σ = 321809760. Its totient is φ = 103552000.

The previous prime is 194401423. The next prime is 194401429. The reversal of 194401425 is 524104491.

It is not a de Polignac number, because 194401425 - 2¹ = 194401423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 194401392 and 194401401.

It is not an unprimeable number, because it can be changed into a prime (194401423) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 119266 + ... + 120884.

It is an arithmetic number, because the mean of its divisors is an integer number (13408740).

Almost surely, 2^194401425 is an apocalyptic number.

194401425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194401425 is a deficient number, since it is larger than the sum of its proper divisors (127408335).

194401425 is a wasteful number, since it uses less digits than its factorization.

194401425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3228 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 194401425 is about 13942.7911481166. The cubic root of 194401425 is about 579.2950462150.

The spelling of 194401425 in words is "one hundred ninety-four million, four hundred one thousand, four hundred twenty-five".