195965533 has 2 divisors, whose sum is σ = 195965534. Its totient is φ = 195965532.

The previous prime is 195965519. The next prime is 195965587. The reversal of 195965533 is 335569591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152695449 + 43270084 = 12357^2 + 6578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195965533 is a prime.

It is a super-3 number, since 3×195965533³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195965593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97982766 + 97982767.

It is an arithmetic number, because the mean of its divisors is an integer number (97982767).

Almost surely, 2^195965533 is an apocalyptic number.

It is an amenable number.

195965533 is a deficient number, since it is larger than the sum of its proper divisors (1).

195965533 is an equidigital number, since it uses as much as digits as its factorization.

195965533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 546750, while the sum is 46.

The square root of 195965533 is about 13998.7689815926. The cubic root of 195965533 is about 580.8445217994.

The spelling of 195965533 in words is "one hundred ninety-five million, nine hundred sixty-five thousand, five hundred thirty-three".