4730000521 has 4 divisors (see below), whose sum is σ = 4731339844. Its totient is φ = 4728661200.

The previous prime is 4730000503. The next prime is 4730000549. The reversal of 4730000521 is 1250000374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1764000000 + 2966000521 = 42000^2 + 54461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4730000521 - 2⁵ = 4730000489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4730000492 and 4730000501.

It is not an unprimeable number, because it can be changed into a prime (4730000501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664350 + ... + 671431.

It is an arithmetic number, because the mean of its divisors is an integer number (1182834961).

Almost surely, 2^4730000521 is an apocalyptic number.

It is an amenable number.

4730000521 is a deficient number, since it is larger than the sum of its proper divisors (1339323).

4730000521 is a wasteful number, since it uses less digits than its factorization.

4730000521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339322.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4730000521 is about 68774.9992439113. Note that the first 3 decimals coincide. The cubic root of 4730000521 is about 1678.6251650056.

Adding to 4730000521 its reverse (1250000374), we get a palindrome (5980000895).

The spelling of 4730000521 in words is "four billion, seven hundred thirty million, five hundred twenty-one", and thus it is an aban number.