5164581 has 24 divisors (see below), whose sum is σ = 7525440. Its totient is φ = 3144064.

The previous prime is 5164567. The next prime is 5164589. The reversal of 5164581 is 1854615.

5164581 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5164581 - 2⁶ = 5164517 is a prime.

It is a super-2 number, since 2×5164581² = 53345793811122, which contains 22 as substring.

5164581 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5164589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57985 + ... + 58073.

It is an arithmetic number, because the mean of its divisors is an integer number (313560).

Almost surely, 2^5164581 is an apocalyptic number.

It is an amenable number.

5164581 is a deficient number, since it is larger than the sum of its proper divisors (2360859).

5164581 is a wasteful number, since it uses less digits than its factorization.

5164581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 144 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 5164581 is about 2272.5714510219. The cubic root of 5164581 is about 172.8535742984.

The spelling of 5164581 in words is "five million, one hundred sixty-four thousand, five hundred eighty-one".