7532531 has 4 divisors (see below), whose sum is σ = 7929000. Its totient is φ = 7136064.

The previous prime is 7532527. The next prime is 7532533. The reversal of 7532531 is 1352357.

7532531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1352357 = 29 ⋅46633.

It is a cyclic number.

It is not a de Polignac number, because 7532531 - 2² = 7532527 is a prime.

It is a super-2 number, since 2×7532531² = 113478046531922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7532531.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198206 + ... + 198243.

It is an arithmetic number, because the mean of its divisors is an integer number (1982250).

Almost surely, 2^7532531 is an apocalyptic number.

7532531 is a deficient number, since it is larger than the sum of its proper divisors (396469).

7532531 is a wasteful number, since it uses less digits than its factorization.

7532531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396468.

The product of its digits is 3150, while the sum is 26.

The square root of 7532531 is about 2744.5456818935. The cubic root of 7532531 is about 196.0259839909.

Adding to 7532531 its reverse (1352357), we get a palindrome (8884888).

The spelling of 7532531 in words is "seven million, five hundred thirty-two thousand, five hundred thirty-one".