52020523 has 4 divisors (see below), whose sum is σ = 52055208. Its totient is φ = 51985840.

The previous prime is 52020491. The next prime is 52020539. The reversal of 52020523 is 32502025.

52020523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52020523 - 2⁵ = 52020491 is a prime.

It is a super-2 number, since 2×52020523² = 5412269626387058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52020523.

It is not an unprimeable number, because it can be changed into a prime (52020593) 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 in 3 ways as a sum of consecutive naturals, for example, 14986 + ... + 18127.

It is an arithmetic number, because the mean of its divisors is an integer number (13013802).

Almost surely, 2^52020523 is an apocalyptic number.

52020523 is a deficient number, since it is larger than the sum of its proper divisors (34685).

52020523 is a wasteful number, since it uses less digits than its factorization.

52020523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34684.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 52020523 is about 7212.5254245652. The cubic root of 52020523 is about 373.3002132786.

Adding to 52020523 its reverse (32502025), we get a palindrome (84522548).

The spelling of 52020523 in words is "fifty-two million, twenty thousand, five hundred twenty-three".