4051181 has 2 divisors, whose sum is σ = 4051182. Its totient is φ = 4051180.

The previous prime is 4051139. The next prime is 4051261. The reversal of 4051181 is 1811504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3031081 + 1020100 = 1741^2 + 1010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4051181 is a prime.

It is a super-2 number, since 2×4051181² = 32824134989522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4051121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025590 + 2025591.

It is an arithmetic number, because the mean of its divisors is an integer number (2025591).

Almost surely, 2^4051181 is an apocalyptic number.

It is an amenable number.

4051181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051181 is an equidigital number, since it uses as much as digits as its factorization.

4051181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 4051181 is about 2012.7545801712. The cubic root of 4051181 is about 159.4142776959.

Adding to 4051181 its reverse (1811504), we get a palindrome (5862685).

The spelling of 4051181 in words is "four million, fifty-one thousand, one hundred eighty-one".