195497 has 2 divisors, whose sum is σ = 195498. Its totient is φ = 195496.

The previous prime is 195493. The next prime is 195511. The reversal of 195497 is 794591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132496 + 63001 = 364^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 195497 - 2² = 195493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97748 + 97749.

It is an arithmetic number, because the mean of its divisors is an integer number (97749).

2¹⁹⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

195497 is a deficient number, since it is larger than the sum of its proper divisors (1).

195497 is an equidigital number, since it uses as much as digits as its factorization.

195497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 195497 is about 442.1504268911. The cubic root of 195497 is about 58.0381239642.

The spelling of 195497 in words is "one hundred ninety-five thousand, four hundred ninety-seven".