52011613 has 2 divisors, whose sum is σ = 52011614. Its totient is φ = 52011612.

The previous prime is 52011611. The next prime is 52011623. The reversal of 52011613 is 31611025.

52011613 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., 38601369 + 13410244 = 6213^2 + 3662^2 .

It is a cyclic number.

It is not a de Polignac number, because 52011613 - 2¹ = 52011611 is a prime.

Together with 52011611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52011611) 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, 26005806 + 26005807.

It is an arithmetic number, because the mean of its divisors is an integer number (26005807).

Almost surely, 2^52011613 is an apocalyptic number.

It is an amenable number.

52011613 is a deficient number, since it is larger than the sum of its proper divisors (1).

52011613 is an equidigital number, since it uses as much as digits as its factorization.

52011613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 52011613 is about 7211.9077226487. The cubic root of 52011613 is about 373.2788992880.

Adding to 52011613 its reverse (31611025), we get a palindrome (83622638).

The spelling of 52011613 in words is "fifty-two million, eleven thousand, six hundred thirteen".