52003639 has 2 divisors, whose sum is σ = 52003640. Its totient is φ = 52003638.

The previous prime is 52003631. The next prime is 52003669. The reversal of 52003639 is 93630025.

52003639 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 is a cyclic number.

It is not a de Polignac number, because 52003639 - 2³ = 52003631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52003631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26001819 + 26001820.

It is an arithmetic number, because the mean of its divisors is an integer number (26001820).

Almost surely, 2^52003639 is an apocalyptic number.

52003639 is a deficient number, since it is larger than the sum of its proper divisors (1).

52003639 is an equidigital number, since it uses as much as digits as its factorization.

52003639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 52003639 is about 7211.3548657655. The cubic root of 52003639 is about 373.2598222787.

The spelling of 52003639 in words is "fifty-two million, three thousand, six hundred thirty-nine".