7951161 has 4 divisors (see below), whose sum is σ = 10601552. Its totient is φ = 5300772.

The previous prime is 7951157. The next prime is 7951183. The reversal of 7951161 is 1611597.

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 7951161 - 2² = 7951157 is a prime.

It is a super-4 number, since 4×7951161⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7951561) 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, 1325191 + ... + 1325196.

It is an arithmetic number, because the mean of its divisors is an integer number (2650388).

Almost surely, 2^7951161 is an apocalyptic number.

It is an amenable number.

7951161 is a deficient number, since it is larger than the sum of its proper divisors (2650391).

7951161 is a wasteful number, since it uses less digits than its factorization.

7951161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650390.

The product of its digits is 1890, while the sum is 30.

The square root of 7951161 is about 2819.7803105916. The cubic root of 7951161 is about 199.5921773018.

The spelling of 7951161 in words is "seven million, nine hundred fifty-one thousand, one hundred sixty-one".