52684481 has 2 divisors, whose sum is σ = 52684482. Its totient is φ = 52684480.

The previous prime is 52684477. The next prime is 52684487. The reversal of 52684481 is 18448625.

It is a happy number.

52684481 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., 48720400 + 3964081 = 6980^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 52684481 - 2² = 52684477 is a prime.

It is a super-2 number, since 2×52684481² = 5551309076478722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52684487) 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, 26342240 + 26342241.

It is an arithmetic number, because the mean of its divisors is an integer number (26342241).

Almost surely, 2^52684481 is an apocalyptic number.

It is an amenable number.

52684481 is a deficient number, since it is larger than the sum of its proper divisors (1).

52684481 is an equidigital number, since it uses as much as digits as its factorization.

52684481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 38.

The square root of 52684481 is about 7258.4076077333. The cubic root of 52684481 is about 374.8816954221.

The spelling of 52684481 in words is "fifty-two million, six hundred eighty-four thousand, four hundred eighty-one".