4501521500 has 48 divisors (see below), whose sum is σ = 11235806400. Its totient is φ = 1543377600.

The previous prime is 4501521499. The next prime is 4501521509. The reversal of 4501521500 is 51251054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4501521509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639575 + ... + 646574.

It is an arithmetic number, because the mean of its divisors is an integer number (234079300).

Almost surely, 2^4501521500 is an apocalyptic number.

It is an amenable number.

4501521500 is an abundant number, since it is smaller than the sum of its proper divisors (6734284900).

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

4501521500 is a wasteful number, since it uses less digits than its factorization.

4501521500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286175 (or 1286163 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 4501521500 is about 67093.3789579866. The cubic root of 4501521500 is about 1651.1496731957.

Adding to 4501521500 its reverse (51251054), we get a palindrome (4552772554).

The spelling of 4501521500 in words is "four billion, five hundred one million, five hundred twenty-one thousand, five hundred".