7532491 has 4 divisors (see below), whose sum is σ = 7538112. Its totient is φ = 7526872.

The previous prime is 7532453. The next prime is 7532501. The reversal of 7532491 is 1942357.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1942357 = 113 ⋅17189.

It is a cyclic number.

It is not a de Polignac number, because 7532491 - 2¹¹ = 7530443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7530491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (1884528).

Almost surely, 2^7532491 is an apocalyptic number.

7532491 is a deficient number, since it is larger than the sum of its proper divisors (5621).

7532491 is a wasteful number, since it uses less digits than its factorization.

7532491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620.

The product of its digits is 7560, while the sum is 31.

The square root of 7532491 is about 2744.5383947032. The cubic root of 7532491 is about 196.0256370047.

The spelling of 7532491 in words is "seven million, five hundred thirty-two thousand, four hundred ninety-one".