2521652 has 12 divisors (see below), whose sum is σ = 5043360. Its totient is φ = 1080696.

The previous prime is 2521643. The next prime is 2521681. The reversal of 2521652 is 2561252.

2521652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2521652 is an admirable number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45002 + ... + 45057.

It is an arithmetic number, because the mean of its divisors is an integer number (420280).

2^2521652 is an apocalyptic number.

It is an amenable number.

2521652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2521652 is a wasteful number, since it uses less digits than its factorization.

2521652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90070 (or 90068 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2521652 is about 1587.9710324814. The cubic root of 2521652 is about 136.1115722261. Note that the first 3 decimals are identical.

The spelling of 2521652 in words is "two million, five hundred twenty-one thousand, six hundred fifty-two".