4537504321 has 9 divisors (see below), whose sum is σ = 5278869921. Its totient is φ = 3888885252.

The previous prime is 4537504303. The next prime is 4537504369. The reversal of 4537504321 is 1234057354.

The square root of 4537504321 is 67361.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-4537504321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4537534321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 466716 + ... + 476338.

Almost surely, 2^4537504321 is an apocalyptic number.

4537504321 is the 67361-st square number.

4537504321 is the 33681-st centered octagonal number.

It is an amenable number.

4537504321 is a deficient number, since it is larger than the sum of its proper divisors (741365600).

4537504321 is an frugal number, since it uses more digits than its factorization.

4537504321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19260 (or 9630 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The cubic root of 4537504321 is about 1655.5374797642.

The spelling of 4537504321 in words is "four billion, five hundred thirty-seven million, five hundred four thousand, three hundred twenty-one".