2543532 has 24 divisors (see below), whose sum is σ = 6140400. Its totient is φ = 818496.

The previous prime is 2543509. The next prime is 2543537. The reversal of 2543532 is 2353452.

It is a d-powerful number, because it can be written as 2²⁰ + 5 + 4⁷ + 3⁹ + 5⁸ + 3⁹ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (2543537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307 + ... + 4002.

It is an arithmetic number, because the mean of its divisors is an integer number (255850).

2^2543532 is an apocalyptic number.

It is an amenable number.

2543532 is an abundant number, since it is smaller than the sum of its proper divisors (3596868).

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

2543532 is a wasteful number, since it uses less digits than its factorization.

2543532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345 (or 7343 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 2543532 is about 1594.8454470575. The cubic root of 2543532 is about 136.5041123692.

Adding to 2543532 its reverse (2353452), we get a palindrome (4896984).

The spelling of 2543532 in words is "two million, five hundred forty-three thousand, five hundred thirty-two".