5229021 has 12 divisors (see below), whose sum is σ = 7984032. Its totient is φ = 2982024.

The previous prime is 5229011. The next prime is 5229023. The reversal of 5229021 is 1209225.

It is not a de Polignac number, because 5229021 - 2⁷ = 5228893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5229023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10230 + ... + 10728.

It is an arithmetic number, because the mean of its divisors is an integer number (665336).

Almost surely, 2^5229021 is an apocalyptic number.

It is an amenable number.

5229021 is a deficient number, since it is larger than the sum of its proper divisors (2755011).

5229021 is an frugal number, since it uses more digits than its factorization.

5229021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5229021 is about 2286.7052717830. The cubic root of 5229021 is about 173.5695198209.

Multiplying 5229021 by its sum of digits (21), we get a square (109809441 = 10479²).

5229021 divided by its sum of digits (21) gives a square (249001 = 499²).

The spelling of 5229021 in words is "five million, two hundred twenty-nine thousand, twenty-one".