52352021 has 2 divisors, whose sum is σ = 52352022. Its totient is φ = 52352020.

The previous prime is 52352017. The next prime is 52352059. The reversal of 52352021 is 12025325.

52352021 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., 41860900 + 10491121 = 6470^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 52352021 - 2² = 52352017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52351984 and 52352002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52352081) 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, 26176010 + 26176011.

It is an arithmetic number, because the mean of its divisors is an integer number (26176011).

Almost surely, 2^52352021 is an apocalyptic number.

It is an amenable number.

52352021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52352021 is an equidigital number, since it uses as much as digits as its factorization.

52352021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52352021 is about 7235.4696461253. The cubic root of 52352021 is about 374.0914800958.

Adding to 52352021 its reverse (12025325), we get a palindrome (64377346).

The spelling of 52352021 in words is "fifty-two million, three hundred fifty-two thousand, twenty-one".