4252081 has 2 divisors, whose sum is σ = 4252082. Its totient is φ = 4252080.

The previous prime is 4252063. The next prime is 4252093. The reversal of 4252081 is 1802524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 1083681 = 1780^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252081 - 2¹⁷ = 4121009 is a prime.

It is a super-3 number, since 3×4252081³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

4252081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4252051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126040 + 2126041.

It is an arithmetic number, because the mean of its divisors is an integer number (2126041).

Almost surely, 2^4252081 is an apocalyptic number.

It is an amenable number.

4252081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252081 is an equidigital number, since it uses as much as digits as its factorization.

4252081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4252081 is about 2062.0574676764. The cubic root of 4252081 is about 162.0070235232.

The spelling of 4252081 in words is "four million, two hundred fifty-two thousand, eighty-one".