2793521 has 4 divisors (see below), whose sum is σ = 2806272. Its totient is φ = 2780772.

The previous prime is 2793509. The next prime is 2793523. The reversal of 2793521 is 1253972.

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 2793521 - 2¹⁸ = 2531377 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2793523) 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, 6041 + ... + 6486.

It is an arithmetic number, because the mean of its divisors is an integer number (701568).

2^2793521 is an apocalyptic number.

It is an amenable number.

2793521 is a deficient number, since it is larger than the sum of its proper divisors (12751).

2793521 is a wasteful number, since it uses less digits than its factorization.

2793521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750.

The product of its digits is 3780, while the sum is 29.

The square root of 2793521 is about 1671.3829603056. The cubic root of 2793521 is about 140.8371777094.

The spelling of 2793521 in words is "two million, seven hundred ninety-three thousand, five hundred twenty-one".