2521384 has 16 divisors (see below), whose sum is σ = 4749120. Its totient is φ = 1254960.

The previous prime is 2521373. The next prime is 2521397. The reversal of 2521384 is 4831252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (296820).

2^2521384 is an apocalyptic number.

It is an amenable number.

2521384 is a deficient number, since it is larger than the sum of its proper divisors (2227736).

2521384 is a wasteful number, since it uses less digits than its factorization.

2521384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1436 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2521384 is about 1587.8866458283. The cubic root of 2521384 is about 136.1067500971.

The spelling of 2521384 in words is "two million, five hundred twenty-one thousand, three hundred eighty-four".