196805625 has 40 divisors (see below), whose sum is σ = 335667552. Its totient is φ = 102480000.

The previous prime is 196805593. The next prime is 196805633. The reversal of 196805625 is 526508691.

It is not a de Polignac number, because 196805625 - 2⁵ = 196805593 is a prime.

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 39 ways as a sum of consecutive naturals, for example, 79405 + ... + 81845.

Almost surely, 2^196805625 is an apocalyptic number.

196805625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196805625 is a deficient number, since it is larger than the sum of its proper divisors (138861927).

196805625 is an equidigital number, since it uses as much as digits as its factorization.

196805625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 196805625 is about 14028.7428160901. The cubic root of 196805625 is about 581.6733532709.

The spelling of 196805625 in words is "one hundred ninety-six million, eight hundred five thousand, six hundred twenty-five".