995448521 has 2 divisors, whose sum is σ = 995448522. Its totient is φ = 995448520.

The previous prime is 995448511. The next prime is 995448523. The reversal of 995448521 is 125844599.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697540921 + 297907600 = 26411^2 + 17260^2 .

It is a cyclic number.

It is not a de Polignac number, because 995448521 - 2⁶ = 995448457 is a prime.

It is a super-2 number, since 2×995448521² = 1981835515922174882, which contains 22 as substring.

Together with 995448523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (995448523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497724260 + 497724261.

It is an arithmetic number, because the mean of its divisors is an integer number (497724261).

Almost surely, 2^995448521 is an apocalyptic number.

It is an amenable number.

995448521 is a deficient number, since it is larger than the sum of its proper divisors (1).

995448521 is an equidigital number, since it uses as much as digits as its factorization.

995448521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 47.

The square root of 995448521 is about 31550.7293259601. The cubic root of 995448521 is about 998.4805327219.

The spelling of 995448521 in words is "nine hundred ninety-five million, four hundred forty-eight thousand, five hundred twenty-one".