195114421 has 2 divisors, whose sum is σ = 195114422. Its totient is φ = 195114420.

The previous prime is 195114397. The next prime is 195114427. The reversal of 195114421 is 124411591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191268900 + 3845521 = 13830^2 + 1961^2 .

It is an emirp because it is prime and its reverse (124411591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195114421 - 2¹¹ = 195112373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195114421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195114427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97557210 + 97557211.

It is an arithmetic number, because the mean of its divisors is an integer number (97557211).

Almost surely, 2^195114421 is an apocalyptic number.

It is an amenable number.

195114421 is a deficient number, since it is larger than the sum of its proper divisors (1).

195114421 is an equidigital number, since it uses as much as digits as its factorization.

195114421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 28.

The square root of 195114421 is about 13968.3363719521. The cubic root of 195114421 is about 580.0023989199.

It can be divided in two parts, 19511 and 4421, that added together give a palindrome (23932).

The spelling of 195114421 in words is "one hundred ninety-five million, one hundred fourteen thousand, four hundred twenty-one".