5102021 has 4 divisors (see below), whose sum is σ = 5323872. Its totient is φ = 4880172.

The previous prime is 5101997. The next prime is 5102059. The reversal of 5102021 is 1202015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5102021 - 2¹⁴ = 5085637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5101993 and 5102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5102821) 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 3 ways as a sum of consecutive naturals, for example, 110891 + ... + 110936.

It is an arithmetic number, because the mean of its divisors is an integer number (1330968).

Almost surely, 2^5102021 is an apocalyptic number.

It is an amenable number.

5102021 is a deficient number, since it is larger than the sum of its proper divisors (221851).

5102021 is a wasteful number, since it uses less digits than its factorization.

5102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221850.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 5102021 is about 2258.7653707280. The cubic root of 5102021 is about 172.1527959886.

Adding to 5102021 its reverse (1202015), we get a palindrome (6304036).

The spelling of 5102021 in words is "five million, one hundred two thousand, twenty-one".