995258881 has 2 divisors, whose sum is σ = 995258882. Its totient is φ = 995258880.

The previous prime is 995258861. The next prime is 995258941. The reversal of 995258881 is 188852599.

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., 959450625 + 35808256 = 30975^2 + 5984^2 .

It is a cyclic number.

It is not a de Polignac number, because 995258881 - 2²⁵ = 961704449 is a prime.

It is a super-2 number, since 2×995258881² = 1981080480418744322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (995258851) 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, 497629440 + 497629441.

It is an arithmetic number, because the mean of its divisors is an integer number (497629441).

Almost surely, 2^995258881 is an apocalyptic number.

It is an amenable number.

995258881 is a deficient number, since it is larger than the sum of its proper divisors (1).

995258881 is an equidigital number, since it uses as much as digits as its factorization.

995258881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 55.

The square root of 995258881 is about 31547.7238640128. The cubic root of 995258881 is about 998.4171228218.

The spelling of 995258881 in words is "nine hundred ninety-five million, two hundred fifty-eight thousand, eight hundred eighty-one".