2521284 has 24 divisors (see below), whose sum is σ = 5923680. Its totient is φ = 834624.

The previous prime is 2521273. The next prime is 2521297. The reversal of 2521284 is 4821252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312 + ... + 2600.

It is an arithmetic number, because the mean of its divisors is an integer number (246820).

2^2521284 is an apocalyptic number.

It is an amenable number.

2521284 is an abundant number, since it is smaller than the sum of its proper divisors (3402396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521284 is a wasteful number, since it uses less digits than its factorization.

2521284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1457 counting only the distinct ones).

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

The square root of 2521284 is about 1587.8551571223. The cubic root of 2521284 is about 136.1049507077.

Subtracting 2521284 from its reverse (4821252), we obtain a cube (2299968 = 132³).

The spelling of 2521284 in words is "two million, five hundred twenty-one thousand, two hundred eighty-four".