195434101 has 2 divisors, whose sum is σ = 195434102. Its totient is φ = 195434100.

The previous prime is 195434093. The next prime is 195434147. The reversal of 195434101 is 101434591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193933476 + 1500625 = 13926^2 + 1225^2 .

It is an emirp because it is prime and its reverse (101434591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195434101 - 2³ = 195434093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195434101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195434191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97717050 + 97717051.

It is an arithmetic number, because the mean of its divisors is an integer number (97717051).

Almost surely, 2^195434101 is an apocalyptic number.

It is an amenable number.

195434101 is a deficient number, since it is larger than the sum of its proper divisors (1).

195434101 is an equidigital number, since it uses as much as digits as its factorization.

195434101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 195434101 is about 13979.7747120617. The cubic root of 195434101 is about 580.3189892146.

Adding to 195434101 its reverse (101434591), we get a palindrome (296868692).

The spelling of 195434101 in words is "one hundred ninety-five million, four hundred thirty-four thousand, one hundred one".