4086529 has 2 divisors, whose sum is σ = 4086530. Its totient is φ = 4086528.

The previous prime is 4086527. The next prime is 4086559. The reversal of 4086529 is 9256804.

It is a happy number.

4086529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 1896129 = 1480^2 + 1377^2 .

It is a cyclic number.

It is not a de Polignac number, because 4086529 - 2¹ = 4086527 is a prime.

Together with 4086527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4086494 and 4086503.

It is not a weakly prime, because it can be changed into another prime (4086521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043264 + 2043265.

It is an arithmetic number, because the mean of its divisors is an integer number (2043265).

Almost surely, 2^4086529 is an apocalyptic number.

It is an amenable number.

4086529 is a deficient number, since it is larger than the sum of its proper divisors (1).

4086529 is an equidigital number, since it uses as much as digits as its factorization.

4086529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4086529 is about 2021.5165099499. The cubic root of 4086529 is about 159.8765845158.

The spelling of 4086529 in words is "four million, eighty-six thousand, five hundred twenty-nine".