52325521 has 4 divisors (see below), whose sum is σ = 52367344. Its totient is φ = 52283700.

The previous prime is 52325491. The next prime is 52325549. The reversal of 52325521 is 12552325.

It is a happy number.

52325521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 52325521 - 2⁷ = 52325393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52325561) 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 in 3 ways as a sum of consecutive naturals, for example, 18975 + ... + 21556.

It is an arithmetic number, because the mean of its divisors is an integer number (13091836).

Almost surely, 2^52325521 is an apocalyptic number.

It is an amenable number.

52325521 is a deficient number, since it is larger than the sum of its proper divisors (41823).

52325521 is a wasteful number, since it uses less digits than its factorization.

52325521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41822.

The product of its digits is 3000, while the sum is 25.

The square root of 52325521 is about 7233.6381579396. The cubic root of 52325521 is about 374.0283491527.

Adding to 52325521 its reverse (12552325), we get a palindrome (64877846).

The spelling of 52325521 in words is "fifty-two million, three hundred twenty-five thousand, five hundred twenty-one".