195496577 has 2 divisors, whose sum is σ = 195496578. Its totient is φ = 195496576.

The previous prime is 195496541. The next prime is 195496589. The reversal of 195496577 is 775694591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191794801 + 3701776 = 13849^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 195496577 - 2⁶ = 195496513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195496507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97748288 + 97748289.

It is an arithmetic number, because the mean of its divisors is an integer number (97748289).

Almost surely, 2^195496577 is an apocalyptic number.

It is an amenable number.

195496577 is a deficient number, since it is larger than the sum of its proper divisors (1).

195496577 is an equidigital number, since it uses as much as digits as its factorization.

195496577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 53.

The square root of 195496577 is about 13982.0090473437. The cubic root of 195496577 is about 580.3808210482.

The spelling of 195496577 in words is "one hundred ninety-five million, four hundred ninety-six thousand, five hundred seventy-seven".