5891161 has 2 divisors, whose sum is σ = 5891162. Its totient is φ = 5891160.

The previous prime is 5891153. The next prime is 5891203. The reversal of 5891161 is 1611985.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5035536 + 855625 = 2244^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 5891161 - 2³ = 5891153 is a prime.

It is not a weakly prime, because it can be changed into another prime (5891131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2945580 + 2945581.

It is an arithmetic number, because the mean of its divisors is an integer number (2945581).

Almost surely, 2^5891161 is an apocalyptic number.

It is an amenable number.

5891161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5891161 is an equidigital number, since it uses as much as digits as its factorization.

5891161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 31.

The square root of 5891161 is about 2427.1713989745. The cubic root of 5891161 is about 180.6066056866.

It can be divided in two parts, 58 and 91161, that added together give a palindrome (91219).

The spelling of 5891161 in words is "five million, eight hundred ninety-one thousand, one hundred sixty-one".