995483221 has 2 divisors, whose sum is σ = 995483222. Its totient is φ = 995483220.

The previous prime is 995483219. The next prime is 995483227. The reversal of 995483221 is 122384599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 972816100 + 22667121 = 31190^2 + 4761^2 .

It is a cyclic number.

It is not a de Polignac number, because 995483221 - 2¹ = 995483219 is a prime.

Together with 995483219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995483227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497741610 + 497741611.

It is an arithmetic number, because the mean of its divisors is an integer number (497741611).

Almost surely, 2^995483221 is an apocalyptic number.

It is an amenable number.

995483221 is a deficient number, since it is larger than the sum of its proper divisors (1).

995483221 is an equidigital number, since it uses as much as digits as its factorization.

995483221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 995483221 is about 31551.2792292167. The cubic root of 995483221 is about 998.4921344844.

The spelling of 995483221 in words is "nine hundred ninety-five million, four hundred eighty-three thousand, two hundred twenty-one".