196122653 has 2 divisors, whose sum is σ = 196122654. Its totient is φ = 196122652.

The previous prime is 196122649. The next prime is 196122697. The reversal of 196122653 is 356221691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111978724 + 84143929 = 10582^2 + 9173^2 .

It is a cyclic number.

It is not a de Polignac number, because 196122653 - 2² = 196122649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196122623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98061326 + 98061327.

It is an arithmetic number, because the mean of its divisors is an integer number (98061327).

Almost surely, 2^196122653 is an apocalyptic number.

It is an amenable number.

196122653 is a deficient number, since it is larger than the sum of its proper divisors (1).

196122653 is an equidigital number, since it uses as much as digits as its factorization.

196122653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 196122653 is about 14004.3797791976. The cubic root of 196122653 is about 580.9997156068. Note that the first 3 decimals are identical.

The spelling of 196122653 in words is "one hundred ninety-six million, one hundred twenty-two thousand, six hundred fifty-three".