195257119 has 2 divisors, whose sum is σ = 195257120. Its totient is φ = 195257118.

The previous prime is 195257113. The next prime is 195257191. The reversal of 195257119 is 911752591.

Together with next prime (195257191) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195257119 is a prime.

It is a super-2 number, since 2×195257119² = 76250685040360322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195257113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97628559 + 97628560.

It is an arithmetic number, because the mean of its divisors is an integer number (97628560).

Almost surely, 2^195257119 is an apocalyptic number.

195257119 is a deficient number, since it is larger than the sum of its proper divisors (1).

195257119 is an equidigital number, since it uses as much as digits as its factorization.

195257119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 40.

The square root of 195257119 is about 13973.4433480084. The cubic root of 195257119 is about 580.1437604403.

The spelling of 195257119 in words is "one hundred ninety-five million, two hundred fifty-seven thousand, one hundred nineteen".