995161 has 4 divisors (see below), whose sum is σ = 998452. Its totient is φ = 991872.

The previous prime is 995147. The next prime is 995167. The reversal of 995161 is 161599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 447561 = 740^2 + 669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995167) 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 in 3 ways as a sum of consecutive naturals, for example, 1140 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (249613).

2⁹⁹⁵¹⁶¹ is an apocalyptic number.

It is an amenable number.

995161 is a deficient number, since it is larger than the sum of its proper divisors (3291).

995161 is a wasteful number, since it uses less digits than its factorization.

995161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290.

The product of its digits is 2430, while the sum is 31.

The square root of 995161 is about 997.5775659065. The cubic root of 995161 is about 99.8384391214.

It can be divided in two parts, 995 and 161, that added together give a square (1156 = 34²).

The spelling of 995161 in words is "nine hundred ninety-five thousand, one hundred sixty-one".