7955161 has 4 divisors (see below), whose sum is σ = 7971300. Its totient is φ = 7939024.

The previous prime is 7955159. The next prime is 7955177. The reversal of 7955161 is 1615597.

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 7507600 + 447561 = 2740^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 7955161 - 2¹ = 7955159 is a prime.

It is a Duffinian number.

7955161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7955191) 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, 7306 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (1992825).

Almost surely, 2^7955161 is an apocalyptic number.

It is an amenable number.

7955161 is a deficient number, since it is larger than the sum of its proper divisors (16139).

7955161 is a wasteful number, since it uses less digits than its factorization.

7955161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16138.

The product of its digits is 9450, while the sum is 34.

The square root of 7955161 is about 2820.4894965236. The cubic root of 7955161 is about 199.6256413820.

The spelling of 7955161 in words is "seven million, nine hundred fifty-five thousand, one hundred sixty-one".