8532491 has 4 divisors (see below), whose sum is σ = 9308184. Its totient is φ = 7756800.

The previous prime is 8532473. The next prime is 8532541. The reversal of 8532491 is 1942358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8532491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8532421) 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, 387830 + ... + 387851.

It is an arithmetic number, because the mean of its divisors is an integer number (2327046).

Almost surely, 2^8532491 is an apocalyptic number.

8532491 is a deficient number, since it is larger than the sum of its proper divisors (775693).

8532491 is a wasteful number, since it uses less digits than its factorization.

8532491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775692.

The product of its digits is 8640, while the sum is 32.

The square root of 8532491 is about 2921.0427932504. The cubic root of 8532491 is about 204.3424579173.

The spelling of 8532491 in words is "eight million, five hundred thirty-two thousand, four hundred ninety-one".