5320521 has 12 divisors (see below), whose sum is σ = 8019648. Its totient is φ = 3392664.

The previous prime is 5320501. The next prime is 5320583. The reversal of 5320521 is 1250235.

It is a happy number.

It is not a de Polignac number, because 5320521 - 2¹⁰ = 5319497 is a prime.

It is a super-2 number, since 2×5320521² = 56615887422882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5320494 and 5320503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5320501) 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 11 ways as a sum of consecutive naturals, for example, 12645 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^5320521 is an apocalyptic number.

It is an amenable number.

5320521 is a deficient number, since it is larger than the sum of its proper divisors (2699127).

5320521 is a wasteful number, since it uses less digits than its factorization.

5320521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25732 (or 25729 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 5320521 is about 2306.6254572427. The cubic root of 5320521 is about 174.5760732123.

Adding to 5320521 its reverse (1250235), we get a palindrome (6570756).

The spelling of 5320521 in words is "five million, three hundred twenty thousand, five hundred twenty-one".