8531130 has 32 divisors (see below), whose sum is σ = 20592000. Its totient is φ = 2261952.

The previous prime is 8531129. The next prime is 8531141. The reversal of 8531130 is 311358.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8531097 and 8531106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5256 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (643500).

Almost surely, 2^8531130 is an apocalyptic number.

8531130 is an abundant number, since it is smaller than the sum of its proper divisors (12060870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8531130 is a wasteful number, since it uses less digits than its factorization.

8531130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 8531130 is about 2920.8098192111. The cubic root of 8531130 is about 204.3315925919.

Adding to 8531130 its reverse (311358), we get a palindrome (8842488).

The spelling of 8531130 in words is "eight million, five hundred thirty-one thousand, one hundred thirty".