5652021 has 4 divisors (see below), whose sum is σ = 7536032. Its totient is φ = 3768012.

The previous prime is 5652019. The next prime is 5652029. The reversal of 5652021 is 1202565.

5652021 is nontrivially palindromic in base 2.

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 not a de Polignac number, because 5652021 - 2¹ = 5652019 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5652029) 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, 942001 + ... + 942006.

It is an arithmetic number, because the mean of its divisors is an integer number (1884008).

Almost surely, 2^5652021 is an apocalyptic number.

It is an amenable number.

5652021 is a deficient number, since it is larger than the sum of its proper divisors (1884011).

5652021 is a wasteful number, since it uses less digits than its factorization.

5652021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884010.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 5652021 is about 2377.3979473365. The cubic root of 5652021 is about 178.1289832289.

Adding to 5652021 its reverse (1202565), we get a palindrome (6854586).

The spelling of 5652021 in words is "five million, six hundred fifty-two thousand, twenty-one".