7532543 has 4 divisors (see below), whose sum is σ = 7541520. Its totient is φ = 7523568.

The previous prime is 7532537. The next prime is 7532573. The reversal of 7532543 is 3452357.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7532543 - 2⁴ = 7532527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7532533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (1885380).

Almost surely, 2^7532543 is an apocalyptic number.

7532543 is a deficient number, since it is larger than the sum of its proper divisors (8977).

7532543 is an equidigital number, since it uses as much as digits as its factorization.

7532543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976.

The product of its digits is 12600, while the sum is 29.

The square root of 7532543 is about 2744.5478680468. The cubic root of 7532543 is about 196.0260880865.

The spelling of 7532543 in words is "seven million, five hundred thirty-two thousand, five hundred forty-three".