52269521 has 2 divisors, whose sum is σ = 52269522. Its totient is φ = 52269520.

The previous prime is 52269449. The next prime is 52269523. The reversal of 52269521 is 12596225.

52269521 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., 39942400 + 12327121 = 6320^2 + 3511^2 .

It is a cyclic number.

It is not a de Polignac number, because 52269521 - 2¹⁰ = 52268497 is a prime.

Together with 52269523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52269523) 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, 26134760 + 26134761.

It is an arithmetic number, because the mean of its divisors is an integer number (26134761).

Almost surely, 2^52269521 is an apocalyptic number.

It is an amenable number.

52269521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52269521 is an equidigital number, since it uses as much as digits as its factorization.

52269521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 52269521 is about 7229.7663171087. The cubic root of 52269521 is about 373.8948702196.

The spelling of 52269521 in words is "fifty-two million, two hundred sixty-nine thousand, five hundred twenty-one".