196569925 has 6 divisors (see below), whose sum is σ = 243746738. Its totient is φ = 157255920.

The previous prime is 196569913. The next prime is 196569959. The reversal of 196569925 is 529965691.

It can be written as a sum of positive squares in 3 ways, for example, as 93636 + 196476289 = 306^2 + 14017^2 .

It is not a de Polignac number, because 196569925 - 2⁷ = 196569797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3931374 + ... + 3931423.

Almost surely, 2^196569925 is an apocalyptic number.

It is an amenable number.

196569925 is a deficient number, since it is larger than the sum of its proper divisors (47176813).

196569925 is an equidigital number, since it uses as much as digits as its factorization.

196569925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862807 (or 7862802 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 52.

The square root of 196569925 is about 14020.3396891801. The cubic root of 196569925 is about 581.4410510055.

The spelling of 196569925 in words is "one hundred ninety-six million, five hundred sixty-nine thousand, nine hundred twenty-five".