52021003 has 8 divisors (see below), whose sum is σ = 55650672. Its totient is φ = 48454656.

The previous prime is 52020977. The next prime is 52021033. The reversal of 52021003 is 30012025.

52021003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52021003 - 2⁹ = 52020491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52021033) 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 in 7 ways as a sum of consecutive naturals, for example, 14125 + ... + 17422.

It is an arithmetic number, because the mean of its divisors is an integer number (6956334).

Almost surely, 2^52021003 is an apocalyptic number.

52021003 is a deficient number, since it is larger than the sum of its proper divisors (3629669).

52021003 is a wasteful number, since it uses less digits than its factorization.

52021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31661.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 52021003 is about 7212.5586999344. The cubic root of 52021003 is about 373.3013614379.

Adding to 52021003 its reverse (30012025), we get a palindrome (82033028).

The spelling of 52021003 in words is "fifty-two million, twenty-one thousand, three".