52402543 has 2 divisors, whose sum is σ = 52402544. Its totient is φ = 52402542.

The previous prime is 52402541. The next prime is 52402607. The reversal of 52402543 is 34520425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52402543 - 2¹ = 52402541 is a prime.

Together with 52402541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52402541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26201271 + 26201272.

It is an arithmetic number, because the mean of its divisors is an integer number (26201272).

Almost surely, 2^52402543 is an apocalyptic number.

52402543 is a deficient number, since it is larger than the sum of its proper divisors (1).

52402543 is an equidigital number, since it uses as much as digits as its factorization.

52402543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 52402543 is about 7238.9600772487. The cubic root of 52402543 is about 374.2117796432.

Adding to 52402543 its reverse (34520425), we get a palindrome (86922968).

The spelling of 52402543 in words is "fifty-two million, four hundred two thousand, five hundred forty-three".