52521563 has 2 divisors, whose sum is σ = 52521564. Its totient is φ = 52521562.

The previous prime is 52521559. The next prime is 52521571. The reversal of 52521563 is 36512525.

It is a happy number.

52521563 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 is a cyclic number.

It is not a de Polignac number, because 52521563 - 2² = 52521559 is a prime.

It is not a weakly prime, because it can be changed into another prime (52521163) 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, 26260781 + 26260782.

It is an arithmetic number, because the mean of its divisors is an integer number (26260782).

Almost surely, 2^52521563 is an apocalyptic number.

52521563 is a deficient number, since it is larger than the sum of its proper divisors (1).

52521563 is an equidigital number, since it uses as much as digits as its factorization.

52521563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 52521563 is about 7247.1762087036. The cubic root of 52521563 is about 374.4948766473.

The spelling of 52521563 in words is "fifty-two million, five hundred twenty-one thousand, five hundred sixty-three".