5164081 has 4 divisors (see below), whose sum is σ = 5561332. Its totient is φ = 4766832.

The previous prime is 5164079. The next prime is 5164087. The reversal of 5164081 is 1804615.

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 1083681 + 4080400 = 1041^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 5164081 - 2¹ = 5164079 is a prime.

It is a super-2 number, since 2×5164081² = 53335465149122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5164087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198606 + ... + 198631.

It is an arithmetic number, because the mean of its divisors is an integer number (1390333).

Almost surely, 2^5164081 is an apocalyptic number.

It is an amenable number.

5164081 is a deficient number, since it is larger than the sum of its proper divisors (397251).

5164081 is a wasteful number, since it uses less digits than its factorization.

5164081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397250.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 5164081 is about 2272.4614408170. The cubic root of 5164081 is about 172.8479959448.

Adding to 5164081 its reverse (1804615), we get a palindrome (6968696).

The spelling of 5164081 in words is "five million, one hundred sixty-four thousand, eighty-one".