4213081 has 2 divisors, whose sum is σ = 4213082. Its totient is φ = 4213080.

The previous prime is 4213073. The next prime is 4213103. The reversal of 4213081 is 1803124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 292681 = 1980^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 4213081 - 2³ = 4213073 is a prime.

It is a super-2 number, since 2×4213081² = 35500103025122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4213031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106540 + 2106541.

It is an arithmetic number, because the mean of its divisors is an integer number (2106541).

Almost surely, 2^4213081 is an apocalyptic number.

It is an amenable number.

4213081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4213081 is an equidigital number, since it uses as much as digits as its factorization.

4213081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4213081 is about 2052.5791093159. The cubic root of 4213081 is about 161.5101930708.

The spelling of 4213081 in words is "four million, two hundred thirteen thousand, eighty-one".