2521832 has 32 divisors (see below), whose sum is σ = 5097600. Its totient is φ = 1165824.

The previous prime is 2521829. The next prime is 2521843. The reversal of 2521832 is 2381252.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2521798 and 2521807.

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, 6968 + ... + 7320.

It is an arithmetic number, because the mean of its divisors is an integer number (159300).

2^2521832 is an apocalyptic number.

It is an amenable number.

2521832 is an abundant number, since it is smaller than the sum of its proper divisors (2575768).

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

2521832 is a wasteful number, since it uses less digits than its factorization.

2521832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 421 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2521832 is about 1588.0277075668. The cubic root of 2521832 is about 136.1148107776.

The spelling of 2521832 in words is "two million, five hundred twenty-one thousand, eight hundred thirty-two".