195493 has 2 divisors, whose sum is σ = 195494. Its totient is φ = 195492.

The previous prime is 195479. The next prime is 195497. The reversal of 195493 is 394591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103684 + 91809 = 322^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 195493 - 2⁹ = 194981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97746 + 97747.

It is an arithmetic number, because the mean of its divisors is an integer number (97747).

2¹⁹⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

195493 is a deficient number, since it is larger than the sum of its proper divisors (1).

195493 is an equidigital number, since it uses as much as digits as its factorization.

195493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

The square root of 195493 is about 442.1459035205. The cubic root of 195493 is about 58.0377281285.

The spelling of 195493 in words is "one hundred ninety-five thousand, four hundred ninety-three".