196601731 has 2 divisors, whose sum is σ = 196601732. Its totient is φ = 196601730.

The previous prime is 196601711. The next prime is 196601761. The reversal of 196601731 is 137106691.

It is a weak prime.

It is an emirp because it is prime and its reverse (137106691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196601731 - 2⁹ = 196601219 is a prime.

It is a super-2 number, since 2×196601731² = 77304481264392722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196601711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98300865 + 98300866.

It is an arithmetic number, because the mean of its divisors is an integer number (98300866).

Almost surely, 2^196601731 is an apocalyptic number.

196601731 is a deficient number, since it is larger than the sum of its proper divisors (1).

196601731 is an equidigital number, since it uses as much as digits as its factorization.

196601731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 196601731 is about 14021.4739239497. The cubic root of 196601731 is about 581.4724093406.

The spelling of 196601731 in words is "one hundred ninety-six million, six hundred one thousand, seven hundred thirty-one".