4851181 has 4 divisors (see below), whose sum is σ = 4982332. Its totient is φ = 4720032.

The previous prime is 4851179. The next prime is 4851191. The reversal of 4851181 is 1811584.

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 2722500 + 2128681 = 1650^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 4851181 - 2¹ = 4851179 is a prime.

It is a super-2 number, since 2×4851181² = 47067914189522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4851151) 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, 65520 + ... + 65593.

It is an arithmetic number, because the mean of its divisors is an integer number (1245583).

Almost surely, 2^4851181 is an apocalyptic number.

It is an amenable number.

4851181 is a deficient number, since it is larger than the sum of its proper divisors (131151).

4851181 is a wasteful number, since it uses less digits than its factorization.

4851181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131150.

The product of its digits is 1280, while the sum is 28.

The square root of 4851181 is about 2202.5396704713. The cubic root of 4851181 is about 169.2839664132.

The spelling of 4851181 in words is "four million, eight hundred fifty-one thousand, one hundred eighty-one".