196717825 has 6 divisors (see below), whose sum is σ = 243930134. Its totient is φ = 157374240.

The previous prime is 196717771. The next prime is 196717831. The reversal of 196717825 is 528717691.

It is a happy number.

196717825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 32160241 + 164557584 = 5671^2 + 12828^2 .

It is not a de Polignac number, because 196717825 - 2¹¹ = 196715777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3934332 + ... + 3934381.

Almost surely, 2^196717825 is an apocalyptic number.

It is an amenable number.

196717825 is a deficient number, since it is larger than the sum of its proper divisors (47212309).

196717825 is an equidigital number, since it uses as much as digits as its factorization.

196717825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868723 (or 7868718 counting only the distinct ones).

The product of its digits is 211680, while the sum is 46.

The square root of 196717825 is about 14025.6131773267. The cubic root of 196717825 is about 581.5868406403.

The spelling of 196717825 in words is "one hundred ninety-six million, seven hundred seventeen thousand, eight hundred twenty-five".