95985821 has 2 divisors, whose sum is σ = 95985822. Its totient is φ = 95985820.

The previous prime is 95985767. The next prime is 95985829. The reversal of 95985821 is 12858959.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 16080100 = 8939^2 + 4010^2 .

It is an emirp because it is prime and its reverse (12858959) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-95985821 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (95985829) 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, 47992910 + 47992911.

It is an arithmetic number, because the mean of its divisors is an integer number (47992911).

Almost surely, 2^95985821 is an apocalyptic number.

It is an amenable number.

95985821 is a deficient number, since it is larger than the sum of its proper divisors (1).

95985821 is an equidigital number, since it uses as much as digits as its factorization.

95985821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 47.

The square root of 95985821 is about 9797.2353753495. The cubic root of 95985821 is about 457.8631529902.

The spelling of 95985821 in words is "ninety-five million, nine hundred eighty-five thousand, eight hundred twenty-one".