195257113 has 2 divisors, whose sum is σ = 195257114. Its totient is φ = 195257112.

The previous prime is 195257099. The next prime is 195257119. The reversal of 195257113 is 311752591.

195257113 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 can be written as a sum of positive squares in only one way, i.e., 118309129 + 76947984 = 10877^2 + 8772^2 .

It is an emirp because it is prime and its reverse (311752591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195257113 - 2⁵ = 195257081 is a prime.

It is not a weakly prime, because it can be changed into another prime (195257119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97628556 + 97628557.

It is an arithmetic number, because the mean of its divisors is an integer number (97628557).

Almost surely, 2^195257113 is an apocalyptic number.

It is an amenable number.

195257113 is a deficient number, since it is larger than the sum of its proper divisors (1).

195257113 is an equidigital number, since it uses as much as digits as its factorization.

195257113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 34.

The square root of 195257113 is about 13973.4431333154. The cubic root of 195257113 is about 580.1437544979.

The spelling of 195257113 in words is "one hundred ninety-five million, two hundred fifty-seven thousand, one hundred thirteen".