196021625 has 8 divisors (see below), whose sum is σ = 244635144. Its totient is φ = 156817200.

The previous prime is 196021621. The next prime is 196021633. The reversal of 196021625 is 526120691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31899904 + 164121721 = 5648^2 + 12811^2 .

It is not a de Polignac number, because 196021625 - 2² = 196021621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196021591 and 196021600.

It is not an unprimeable number, because it can be changed into a prime (196021621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 783962 + ... + 784211.

It is an arithmetic number, because the mean of its divisors is an integer number (30579393).

Almost surely, 2^196021625 is an apocalyptic number.

It is an amenable number.

196021625 is a deficient number, since it is larger than the sum of its proper divisors (48613519).

196021625 is an equidigital number, since it uses as much as digits as its factorization.

196021625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568188 (or 1568178 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 196021625 is about 14000.7723001269. The cubic root of 196021625 is about 580.8999356645.

The spelling of 196021625 in words is "one hundred ninety-six million, twenty-one thousand, six hundred twenty-five".