2093521 has 4 divisors (see below), whose sum is σ = 2138112. Its totient is φ = 2048932.

The previous prime is 2093513. The next prime is 2093527. The reversal of 2093521 is 1253902.

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 2093521 - 2³ = 2093513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2093492 and 2093501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093527) 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, 22225 + ... + 22318.

It is an arithmetic number, because the mean of its divisors is an integer number (534528).

2^2093521 is an apocalyptic number.

It is an amenable number.

2093521 is a deficient number, since it is larger than the sum of its proper divisors (44591).

2093521 is an equidigital number, since it uses as much as digits as its factorization.

2093521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44590.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2093521 is about 1446.9004803372. The cubic root of 2093521 is about 127.9260844404.

The spelling of 2093521 in words is "two million, ninety-three thousand, five hundred twenty-one".