195236651 has 2 divisors, whose sum is σ = 195236652. Its totient is φ = 195236650.

The previous prime is 195236623. The next prime is 195236663. The reversal of 195236651 is 156632591.

195236651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (156632591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195236651 is a prime.

It is a super-5 number, since 5×195236651⁵ (a number of 43 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (195236611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97618325 + 97618326.

It is an arithmetic number, because the mean of its divisors is an integer number (97618326).

Almost surely, 2^195236651 is an apocalyptic number.

195236651 is a deficient number, since it is larger than the sum of its proper divisors (1).

195236651 is an equidigital number, since it uses as much as digits as its factorization.

195236651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 195236651 is about 13972.7109395421. The cubic root of 195236651 is about 580.1234883712.

The spelling of 195236651 in words is "one hundred ninety-five million, two hundred thirty-six thousand, six hundred fifty-one".