5304521 has 2 divisors, whose sum is σ = 5304522. Its totient is φ = 5304520.

The previous prime is 5304517. The next prime is 5304529. The reversal of 5304521 is 1254035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 978121 = 2080^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 5304521 - 2² = 5304517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5304493 and 5304502.

It is not a weakly prime, because it can be changed into another prime (5304529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652260 + 2652261.

It is an arithmetic number, because the mean of its divisors is an integer number (2652261).

Almost surely, 2^5304521 is an apocalyptic number.

It is an amenable number.

5304521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5304521 is an equidigital number, since it uses as much as digits as its factorization.

5304521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5304521 is about 2303.1545757938. The cubic root of 5304521 is about 174.4009010313.

Adding to 5304521 its reverse (1254035), we get a palindrome (6558556).

The spelling of 5304521 in words is "five million, three hundred four thousand, five hundred twenty-one".