52013639 has 2 divisors, whose sum is σ = 52013640. Its totient is φ = 52013638.

The previous prime is 52013627. The next prime is 52013657. The reversal of 52013639 is 93631025.

52013639 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 52013639 - 2⁴ = 52013623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52013609) 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, 26006819 + 26006820.

It is an arithmetic number, because the mean of its divisors is an integer number (26006820).

Almost surely, 2^52013639 is an apocalyptic number.

52013639 is a deficient number, since it is larger than the sum of its proper divisors (1).

52013639 is an equidigital number, since it uses as much as digits as its factorization.

52013639 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 29.

The square root of 52013639 is about 7212.0481834220. The cubic root of 52013639 is about 373.2837459827.

The spelling of 52013639 in words is "fifty-two million, thirteen thousand, six hundred thirty-nine".