5091161 has 4 divisors (see below), whose sum is σ = 5255424. Its totient is φ = 4926900.

The previous prime is 5091113. The next prime is 5091173. The reversal of 5091161 is 1611905.

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 a cyclic number.

It is not a de Polignac number, because 5091161 - 2¹⁴ = 5074777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82085 + ... + 82146.

It is an arithmetic number, because the mean of its divisors is an integer number (1313856).

Almost surely, 2^5091161 is an apocalyptic number.

It is an amenable number.

5091161 is a deficient number, since it is larger than the sum of its proper divisors (164263).

5091161 is a wasteful number, since it uses less digits than its factorization.

5091161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164262.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 5091161 is about 2256.3601219663. The cubic root of 5091161 is about 172.0305628941.

The spelling of 5091161 in words is "five million, ninety-one thousand, one hundred sixty-one".