195933061 has 2 divisors, whose sum is σ = 195933062. Its totient is φ = 195933060.

The previous prime is 195933029. The next prime is 195933071. The reversal of 195933061 is 160339591.

It is the 5715-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195580225 + 352836 = 13985^2 + 594^2 .

It is an emirp because it is prime and its reverse (160339591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195933061 - 2⁵ = 195933029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195933061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195933071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97966530 + 97966531.

It is an arithmetic number, because the mean of its divisors is an integer number (97966531).

Almost surely, 2^195933061 is an apocalyptic number.

It is an amenable number.

195933061 is a deficient number, since it is larger than the sum of its proper divisors (1).

195933061 is an equidigital number, since it uses as much as digits as its factorization.

195933061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 195933061 is about 13997.6091172743. The cubic root of 195933061 is about 580.8124375431.

The spelling of 195933061 in words is "one hundred ninety-five million, nine hundred thirty-three thousand, sixty-one".