52641321 has 4 divisors (see below), whose sum is σ = 70188432. Its totient is φ = 35094212.

The previous prime is 52641311. The next prime is 52641341. The reversal of 52641321 is 12314625.

52641321 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 52641321 - 2¹⁰ = 52640297 is a prime.

It is a super-2 number, since 2×52641321² = 5542217353250082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52641291 and 52641300.

It is not an unprimeable number, because it can be changed into a prime (52641311) 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, 8773551 + ... + 8773556.

It is an arithmetic number, because the mean of its divisors is an integer number (17547108).

Almost surely, 2^52641321 is an apocalyptic number.

It is an amenable number.

52641321 is a deficient number, since it is larger than the sum of its proper divisors (17547111).

52641321 is a wasteful number, since it uses less digits than its factorization.

52641321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17547110.

The product of its digits is 1440, while the sum is 24.

The square root of 52641321 is about 7255.4338946751. The cubic root of 52641321 is about 374.7792976890.

Adding to 52641321 its reverse (12314625), we get a palindrome (64955946).

The spelling of 52641321 in words is "fifty-two million, six hundred forty-one thousand, three hundred twenty-one".