52321543 has 2 divisors, whose sum is σ = 52321544. Its totient is φ = 52321542.

The previous prime is 52321541. The next prime is 52321559. The reversal of 52321543 is 34512325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52321543 - 2¹ = 52321541 is a prime.

Together with 52321541, it forms a pair of twin primes.

It is equal to p_3131872 and since 52321543 and 3131872 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52321541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26160771 + 26160772.

It is an arithmetic number, because the mean of its divisors is an integer number (26160772).

Almost surely, 2^52321543 is an apocalyptic number.

52321543 is a deficient number, since it is larger than the sum of its proper divisors (1).

52321543 is an equidigital number, since it uses as much as digits as its factorization.

52321543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 52321543 is about 7233.3631873424. The cubic root of 52321543 is about 374.0188705245.

Adding to 52321543 its reverse (34512325), we get a palindrome (86833868).

The spelling of 52321543 in words is "fifty-two million, three hundred twenty-one thousand, five hundred forty-three".