8130500 has 96 divisors (see below), whose sum is σ = 21385728. Its totient is φ = 2640000.

The previous prime is 8130449. The next prime is 8130509. The reversal of 8130500 is 50318.

It is a super-2 number, since 2×8130500² = 132210060500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8130509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80450 + ... + 80550.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^8130500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10692864).

8130500 is an abundant number, since it is smaller than the sum of its proper divisors (13255228).

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

8130500 is a wasteful number, since it uses less digits than its factorization.

8130500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 8130500 is about 2851.4031633566. The cubic root of 8130500 is about 201.0816397320.

Adding to 8130500 its reverse (50318), we get a palindrome (8180818).

The spelling of 8130500 in words is "eight million, one hundred thirty thousand, five hundred".