2030521 has 4 divisors (see below), whose sum is σ = 2041344. Its totient is φ = 2019700.

The previous prime is 2030513. The next prime is 2030527. The reversal of 2030521 is 1250302.

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 2030521 - 2³ = 2030513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125 + ... + 5506.

It is an arithmetic number, because the mean of its divisors is an integer number (510336).

2^2030521 is an apocalyptic number.

It is an amenable number.

2030521 is a deficient number, since it is larger than the sum of its proper divisors (10823).

2030521 is a wasteful number, since it uses less digits than its factorization.

2030521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822.

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

The square root of 2030521 is about 1424.9635083047. The cubic root of 2030521 is about 126.6297730348.

Adding to 2030521 its reverse (1250302), we get a palindrome (3280823).

The spelling of 2030521 in words is "two million, thirty thousand, five hundred twenty-one".