196185825 has 72 divisors (see below), whose sum is σ = 395855616. Its totient is φ = 92016000.

The previous prime is 196185817. The next prime is 196185839. The reversal of 196185825 is 528581691.

It is a happy number.

196185825 is a `hidden beast` number, since 1 + 9 + 61 + 8 + 582 + 5 = 666.

It is not a de Polignac number, because 196185825 - 2³ = 196185817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 75447 + ... + 78003.

Almost surely, 2^196185825 is an apocalyptic number.

196185825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196185825 is an abundant number, since it is smaller than the sum of its proper divisors (199669791).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196185825 is a wasteful number, since it uses less digits than its factorization.

196185825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2607 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 196185825 is about 14006.6350348683. The cubic root of 196185825 is about 581.0620897954.

The spelling of 196185825 in words is "one hundred ninety-six million, one hundred eighty-five thousand, eight hundred twenty-five".