8531089 has 4 divisors (see below), whose sum is σ = 9749824. Its totient is φ = 7312356.

The previous prime is 8531063. The next prime is 8531099. The reversal of 8531089 is 9801358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8531089 - 2¹¹ = 8529041 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8531009) 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, 609357 + ... + 609370.

It is an arithmetic number, because the mean of its divisors is an integer number (2437456).

Almost surely, 2^8531089 is an apocalyptic number.

It is an amenable number.

8531089 is a deficient number, since it is larger than the sum of its proper divisors (1218735).

8531089 is a wasteful number, since it uses less digits than its factorization.

8531089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218734.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 8531089 is about 2920.8028006012. The cubic root of 8531089 is about 204.3312652570.

The spelling of 8531089 in words is "eight million, five hundred thirty-one thousand, eighty-nine".