5730521 has 2 divisors, whose sum is σ = 5730522. Its totient is φ = 5730520.

The previous prime is 5730509. The next prime is 5730539. The reversal of 5730521 is 1250375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 978121 = 2180^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 5730521 - 2¹⁸ = 5468377 is a prime.

It is not a weakly prime, because it can be changed into another prime (5730121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2865260 + 2865261.

It is an arithmetic number, because the mean of its divisors is an integer number (2865261).

Almost surely, 2^5730521 is an apocalyptic number.

It is an amenable number.

5730521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5730521 is an equidigital number, since it uses as much as digits as its factorization.

5730521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 5730521 is about 2393.8506636798. The cubic root of 5730521 is about 178.9498626785.

Adding to 5730521 its reverse (1250375), we get a palindrome (6980896).

The spelling of 5730521 in words is "five million, seven hundred thirty thousand, five hundred twenty-one".