2521552 has 20 divisors (see below), whose sum is σ = 5330016. Its totient is φ = 1146080.

The previous prime is 2521537. The next prime is 2521591. The reversal of 2521552 is 2551252.

2521552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 2⁸ + 5³ + 2¹⁵ + 1 + 5⁴ + 5⁸ + 2²¹ .

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, 6988 + ... + 7339.

2^2521552 is an apocalyptic number.

2521552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2521552 is an abundant number, since it is smaller than the sum of its proper divisors (2808464).

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

2521552 is a wasteful number, since it uses less digits than its factorization.

2521552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346 (or 14340 counting only the distinct ones).

The product of its digits is 1000, while the sum is 22.

The square root of 2521552 is about 1587.9395454488. The cubic root of 2521552 is about 136.1097729642.

The spelling of 2521552 in words is "two million, five hundred twenty-one thousand, five hundred fifty-two".