5000045521 has 9 divisors (see below), whose sum is σ = 5168806299. Its totient is φ = 4836632400.

The previous prime is 5000045507. The next prime is 5000045549. The reversal of 5000045521 is 1255400005.

The square root of 5000045521 is 70711.

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

It can be written as a sum of positive squares in only one way, i.e., 3007315921 + 1992729600 = 54839^2 + 44640^2 .

It is not a de Polignac number, because 5000045521 - 2¹⁷ = 4999914449 is a prime.

It is a super-2 number, since 2×5000045521² = 50000910424144322882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5000045492 and 5000045501.

It is not an unprimeable number, because it can be changed into a prime (5000045551) 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, 2190901 + ... + 2193181.

It is an arithmetic number, because the mean of its divisors is an integer number (574311811).

Almost surely, 2^5000045521 is an apocalyptic number.

5000045521 is the 70711-st square number.

5000045521 is the 35356-th centered octagonal number.

It is an amenable number.

5000045521 is a deficient number, since it is larger than the sum of its proper divisors (168760778).

5000045521 is an frugal number, since it uses more digits than its factorization.

5000045521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The cubic root of 5000045521 is about 1709.9811359820.

Adding to 5000045521 its reverse (1255400005), we get a palindrome (6255445526).

The spelling of 5000045521 in words is "five billion, forty-five thousand, five hundred twenty-one".