2284521 has 16 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 1438976.

The previous prime is 2284501. The next prime is 2284537. The reversal of 2284521 is 1254822.

It is a cyclic number.

It is not a de Polignac number, because 2284521 - 2⁵ = 2284489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2284491 and 2284500.

It is not an unprimeable number, because it can be changed into a prime (2284501) 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 15 ways as a sum of consecutive naturals, for example, 7651 + ... + 7943.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

2^2284521 is an apocalyptic number.

It is an amenable number.

2284521 is a deficient number, since it is larger than the sum of its proper divisors (933015).

2284521 is a wasteful number, since it uses less digits than its factorization.

2284521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 1280, while the sum is 24.

The square root of 2284521 is about 1511.4631983611. The cubic root of 2284521 is about 131.7038240124.

The spelling of 2284521 in words is "two million, two hundred eighty-four thousand, five hundred twenty-one".