195397429 has 2 divisors, whose sum is σ = 195397430. Its totient is φ = 195397428.

The previous prime is 195397399. The next prime is 195397459. The reversal of 195397429 is 924793591.

It is a balanced prime because it is at equal distance from previous prime (195397399) and next prime (195397459).

It can be written as a sum of positive squares in only one way, i.e., 142253329 + 53144100 = 11927^2 + 7290^2 .

It is a cyclic number.

It is not a de Polignac number, because 195397429 - 2¹³ = 195389237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195397459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97698714 + 97698715.

It is an arithmetic number, because the mean of its divisors is an integer number (97698715).

Almost surely, 2^195397429 is an apocalyptic number.

It is an amenable number.

195397429 is a deficient number, since it is larger than the sum of its proper divisors (1).

195397429 is an equidigital number, since it uses as much as digits as its factorization.

195397429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 195397429 is about 13978.4630414077. The cubic root of 195397429 is about 580.2826891880.

The spelling of 195397429 in words is "one hundred ninety-five million, three hundred ninety-seven thousand, four hundred twenty-nine".