5215021 has 12 divisors (see below), whose sum is σ = 6156000. Its totient is φ = 4404120.

The previous prime is 5215013. The next prime is 5215033. The reversal of 5215021 is 1205125.

It is not a de Polignac number, because 5215021 - 2³ = 5215013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5214986 and 5215004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215051) 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 11 ways as a sum of consecutive naturals, for example, 2730 + ... + 4228.

It is an arithmetic number, because the mean of its divisors is an integer number (513000).

Almost surely, 2^5215021 is an apocalyptic number.

It is an amenable number.

5215021 is a deficient number, since it is larger than the sum of its proper divisors (940979).

5215021 is a wasteful number, since it uses less digits than its factorization.

5215021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 5215021 is about 2283.6420472570. The cubic root of 5215021 is about 173.4144783609.

The spelling of 5215021 in words is "five million, two hundred fifteen thousand, twenty-one".