195288829 has 2 divisors, whose sum is σ = 195288830. Its totient is φ = 195288828.

The previous prime is 195288817. The next prime is 195288857. The reversal of 195288829 is 928882591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195244729 + 44100 = 13973^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 195288829 - 2¹⁹ = 194764541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195288029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97644414 + 97644415.

It is an arithmetic number, because the mean of its divisors is an integer number (97644415).

Almost surely, 2^195288829 is an apocalyptic number.

It is an amenable number.

195288829 is a deficient number, since it is larger than the sum of its proper divisors (1).

195288829 is an equidigital number, since it uses as much as digits as its factorization.

195288829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 52.

The square root of 195288829 is about 13974.5779542711. The cubic root of 195288829 is about 580.1751640974.

The spelling of 195288829 in words is "one hundred ninety-five million, two hundred eighty-eight thousand, eight hundred twenty-nine".