95805509 has 2 divisors, whose sum is σ = 95805510. Its totient is φ = 95805508.

The previous prime is 95805491. The next prime is 95805529. The reversal of 95805509 is 90550859.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94517284 + 1288225 = 9722^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 95805509 - 2²⁴ = 79028293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95805529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47902754 + 47902755.

It is an arithmetic number, because the mean of its divisors is an integer number (47902755).

Almost surely, 2^95805509 is an apocalyptic number.

It is an amenable number.

95805509 is a deficient number, since it is larger than the sum of its proper divisors (1).

95805509 is an equidigital number, since it uses as much as digits as its factorization.

95805509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 95805509 is about 9788.0288618291. The cubic root of 95805509 is about 457.5762704418.

The spelling of 95805509 in words is "ninety-five million, eight hundred five thousand, five hundred nine".