4681181 has 4 divisors (see below), whose sum is σ = 4692192. Its totient is φ = 4670172.

The previous prime is 4681169. The next prime is 4681199. The reversal of 4681181 is 1811864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4681181 is a prime.

It is a super-2 number, since 2×4681181² = 43826911109522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4681081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4841 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (1173048).

Almost surely, 2^4681181 is an apocalyptic number.

It is an amenable number.

4681181 is a deficient number, since it is larger than the sum of its proper divisors (11011).

4681181 is a wasteful number, since it uses less digits than its factorization.

4681181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010.

The product of its digits is 1536, while the sum is 29.

The square root of 4681181 is about 2163.6037067818. The cubic root of 4681181 is about 167.2830010929.

The spelling of 4681181 in words is "four million, six hundred eighty-one thousand, one hundred eighty-one".