5147181 has 48 divisors (see below), whose sum is σ = 8714160. Its totient is φ = 2903040.

The previous prime is 5147179. The next prime is 5147213. The reversal of 5147181 is 1817415.

5147181 is a `hidden beast` number, since 514 + 71 + 81 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 285156 + 4862025 = 534^2 + 2205^2 .

It is not a de Polignac number, because 5147181 - 2¹ = 5147179 is a prime.

It is a super-2 number, since 2×5147181² = 52986944493522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147161) 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 47 ways as a sum of consecutive naturals, for example, 125521 + ... + 125561.

It is an arithmetic number, because the mean of its divisors is an integer number (181545).

Almost surely, 2^5147181 is an apocalyptic number.

It is an amenable number.

5147181 is a deficient number, since it is larger than the sum of its proper divisors (3566979).

5147181 is a wasteful number, since it uses less digits than its factorization.

5147181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 123 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 5147181 is about 2268.7399586555. The cubic root of 5147181 is about 172.6592354466.

The spelling of 5147181 in words is "five million, one hundred forty-seven thousand, one hundred eighty-one".