2532540 has 24 divisors (see below), whose sum is σ = 7091280. Its totient is φ = 675328.

The previous prime is 2532527. The next prime is 2532559. The reversal of 2532540 is 452352.

2532540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 21045 + ... + 21164.

It is an arithmetic number, because the mean of its divisors is an integer number (295470).

2^2532540 is an apocalyptic number.

2532540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2532540 is an abundant number, since it is smaller than the sum of its proper divisors (4558740).

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

2532540 is a wasteful number, since it uses less digits than its factorization.

2532540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42221 (or 42219 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2532540 is about 1591.3956139188. The cubic root of 2532540 is about 136.3071919930.

Adding to 2532540 its reverse (452352), we get a palindrome (2984892).

The spelling of 2532540 in words is "two million, five hundred thirty-two thousand, five hundred forty".