32130500 has 48 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 12744800.

The previous prime is 32130487. The next prime is 32130523. The reversal of 32130500 is 503123.

It is a congruent number.

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, 89321 + ... + 89679.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^32130500 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 32130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

32130500 is an abundant number, since it is smaller than the sum of its proper divisors (38631100).

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

32130500 is a wasteful number, since it uses less digits than its factorization.

32130500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 32130500 is about 5668.3771928128. The cubic root of 32130500 is about 317.9111997084.

Adding to 32130500 its reverse (503123), we get a palindrome (32633623).

The spelling of 32130500 in words is "thirty-two million, one hundred thirty thousand, five hundred".