52521803 has 2 divisors, whose sum is σ = 52521804. Its totient is φ = 52521802.

The previous prime is 52521797. The next prime is 52521809. The reversal of 52521803 is 30812525.

52521803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (52521797) and next prime (52521809).

It is a cyclic number.

It is not a de Polignac number, because 52521803 - 2¹⁰ = 52520779 is a prime.

It is not a weakly prime, because it can be changed into another prime (52521809) 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, 26260901 + 26260902.

It is an arithmetic number, because the mean of its divisors is an integer number (26260902).

Almost surely, 2^52521803 is an apocalyptic number.

52521803 is a deficient number, since it is larger than the sum of its proper divisors (1).

52521803 is an equidigital number, since it uses as much as digits as its factorization.

52521803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52521803 is about 7247.1927668581. The cubic root of 52521803 is about 374.4954470710.

The spelling of 52521803 in words is "fifty-two million, five hundred twenty-one thousand, eight hundred three".