4425181 has 2 divisors, whose sum is σ = 4425182. Its totient is φ = 4425180.

The previous prime is 4425143. The next prime is 4425221. The reversal of 4425181 is 1815244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 52900 = 2091^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425181 - 2⁷ = 4425053 is a prime.

It is a super-2 number, since 2×4425181² = 39164453765522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4425781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212590 + 2212591.

It is an arithmetic number, because the mean of its divisors is an integer number (2212591).

Almost surely, 2^4425181 is an apocalyptic number.

It is an amenable number.

4425181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425181 is an equidigital number, since it uses as much as digits as its factorization.

4425181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 4425181 is about 2103.6114184896. The cubic root of 4425181 is about 164.1762555775.

The spelling of 4425181 in words is "four million, four hundred twenty-five thousand, one hundred eighty-one".