195175261 has 2 divisors, whose sum is σ = 195175262. Its totient is φ = 195175260.

The previous prime is 195175229. The next prime is 195175271. The reversal of 195175261 is 162571591.

195175261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194072761 + 1102500 = 13931^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 195175261 - 2⁵ = 195175229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195175261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195175271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97587630 + 97587631.

It is an arithmetic number, because the mean of its divisors is an integer number (97587631).

Almost surely, 2^195175261 is an apocalyptic number.

It is an amenable number.

195175261 is a deficient number, since it is larger than the sum of its proper divisors (1).

195175261 is an equidigital number, since it uses as much as digits as its factorization.

195175261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 37.

The square root of 195175261 is about 13970.5139848182. The cubic root of 195175261 is about 580.0626775309.

The spelling of 195175261 in words is "one hundred ninety-five million, one hundred seventy-five thousand, two hundred sixty-one".