8532131 has 4 divisors (see below), whose sum is σ = 8672064. Its totient is φ = 8392200.

The previous prime is 8532127. The next prime is 8532133. The reversal of 8532131 is 1312358.

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 8532131 - 2² = 8532127 is a prime.

It is a super-2 number, since 2×8532131² = 145594518802322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8532097 and 8532106.

It is not an unprimeable number, because it can be changed into a prime (8532133) 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, 69875 + ... + 69996.

It is an arithmetic number, because the mean of its divisors is an integer number (2168016).

Almost surely, 2^8532131 is an apocalyptic number.

8532131 is a deficient number, since it is larger than the sum of its proper divisors (139933).

8532131 is a wasteful number, since it uses less digits than its factorization.

8532131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139932.

The product of its digits is 720, while the sum is 23.

The square root of 8532131 is about 2920.9811707712. The cubic root of 8532131 is about 204.3395840273.

Adding to 8532131 its reverse (1312358), we get a palindrome (9844489).

The spelling of 8532131 in words is "eight million, five hundred thirty-two thousand, one hundred thirty-one".