5303521 has 4 divisors (see below), whose sum is σ = 5308672. Its totient is φ = 5298372.

The previous prime is 5303513. The next prime is 5303537. The reversal of 5303521 is 1253035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5303521 - 2³ = 5303513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5303561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (1327168).

Almost surely, 2^5303521 is an apocalyptic number.

It is an amenable number.

5303521 is a deficient number, since it is larger than the sum of its proper divisors (5151).

5303521 is a wasteful number, since it uses less digits than its factorization.

5303521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 5303521 is about 2302.9374720126. The cubic root of 5303521 is about 174.3899410809.

Adding to 5303521 its reverse (1253035), we get a palindrome (6556556).

The spelling of 5303521 in words is "five million, three hundred three thousand, five hundred twenty-one".