4125181 has 2 divisors, whose sum is σ = 4125182. Its totient is φ = 4125180.

The previous prime is 4125151. The next prime is 4125229. The reversal of 4125181 is 1815214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 1285956 = 1685^2 + 1134^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125181 - 2⁷ = 4125053 is a prime.

It is a super-2 number, since 2×4125181² = 34034236565522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062590 + 2062591.

It is an arithmetic number, because the mean of its divisors is an integer number (2062591).

Almost surely, 2^4125181 is an apocalyptic number.

It is an amenable number.

4125181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125181 is an equidigital number, since it uses as much as digits as its factorization.

4125181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 22.

The square root of 4125181 is about 2031.0541597899. The cubic root of 4125181 is about 160.3790621775.

The spelling of 4125181 in words is "four million, one hundred twenty-five thousand, one hundred eighty-one".