8194425 has 24 divisors (see below), whose sum is σ = 14347296. Its totient is φ = 4112640.

The previous prime is 8194411. The next prime is 8194429. The reversal of 8194425 is 5244918.

It is not a de Polignac number, because 8194425 - 2⁴ = 8194409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8194429) 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, 1939 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (597804).

Almost surely, 2^8194425 is an apocalyptic number.

8194425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8194425 is a deficient number, since it is larger than the sum of its proper divisors (6152871).

8194425 is a wasteful number, since it uses less digits than its factorization.

8194425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457 (or 6452 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 8194425 is about 2862.5906099196. The cubic root of 8194425 is about 201.6072573524.

The spelling of 8194425 in words is "eight million, one hundred ninety-four thousand, four hundred twenty-five".