995248861 has 4 divisors (see below), whose sum is σ = 1047630400. Its totient is φ = 942867324.

The previous prime is 995248853. The next prime is 995248897. The reversal of 995248861 is 168842599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 995248861 - 2³ = 995248853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 995248799 and 995248808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995248811) 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 in 3 ways as a sum of consecutive naturals, for example, 26190741 + ... + 26190778.

It is an arithmetic number, because the mean of its divisors is an integer number (261907600).

Almost surely, 2^995248861 is an apocalyptic number.

995248861 is the 14109-th centered decagonal number.

It is an amenable number.

995248861 is a deficient number, since it is larger than the sum of its proper divisors (52381539).

995248861 is a wasteful number, since it uses less digits than its factorization.

995248861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52381538.

The product of its digits is 1244160, while the sum is 52.

The square root of 995248861 is about 31547.5650565935. The cubic root of 995248861 is about 998.4137722118.

The spelling of 995248861 in words is "nine hundred ninety-five million, two hundred forty-eight thousand, eight hundred sixty-one".