4611181 has 2 divisors, whose sum is σ = 4611182. Its totient is φ = 4611180.

The previous prime is 4611163. The next prime is 4611193. The reversal of 4611181 is 1811164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3861225 + 749956 = 1965^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 4611181 - 2⁵ = 4611149 is a prime.

It is a super-2 number, since 2×4611181² = 42525980429522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4618181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2305590 + 2305591.

It is an arithmetic number, because the mean of its divisors is an integer number (2305591).

Almost surely, 2^4611181 is an apocalyptic number.

It is an amenable number.

4611181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4611181 is an equidigital number, since it uses as much as digits as its factorization.

4611181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 22.

The square root of 4611181 is about 2147.3660610152. The cubic root of 4611181 is about 166.4449883943. Note that the first 3 decimals are identical.

The spelling of 4611181 in words is "four million, six hundred eleven thousand, one hundred eighty-one".