52027621 has 2 divisors, whose sum is σ = 52027622. Its totient is φ = 52027620.

The previous prime is 52027523. The next prime is 52027627. The reversal of 52027621 is 12672025.

52027621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48455521 + 3572100 = 6961^2 + 1890^2 .

It is a cyclic number.

It is not a de Polignac number, because 52027621 - 2²¹ = 49930469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52027627) 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, 26013810 + 26013811.

It is an arithmetic number, because the mean of its divisors is an integer number (26013811).

Almost surely, 2^52027621 is an apocalyptic number.

It is an amenable number.

52027621 is a deficient number, since it is larger than the sum of its proper divisors (1).

52027621 is an equidigital number, since it uses as much as digits as its factorization.

52027621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52027621 is about 7213.0174684386. The cubic root of 52027621 is about 373.3171909652.

Adding to 52027621 its reverse (12672025), we get a palindrome (64699646).

The spelling of 52027621 in words is "fifty-two million, twenty-seven thousand, six hundred twenty-one".