52012543 has 4 divisors (see below), whose sum is σ = 56740968. Its totient is φ = 47284120.

The previous prime is 52012523. The next prime is 52012553. The reversal of 52012543 is 34521025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52012543 - 2¹⁷ = 51881471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52012523) 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 in 3 ways as a sum of consecutive naturals, for example, 2364196 + ... + 2364217.

It is an arithmetic number, because the mean of its divisors is an integer number (14185242).

Almost surely, 2^52012543 is an apocalyptic number.

52012543 is a deficient number, since it is larger than the sum of its proper divisors (4728425).

52012543 is a wasteful number, since it uses less digits than its factorization.

52012543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728424.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52012543 is about 7211.9721990590. The cubic root of 52012543 is about 373.2811240943.

Adding to 52012543 its reverse (34521025), we get a palindrome (86533568).

It can be divided in two parts, 5201 and 2543, that added together give a square (7744 = 88²).

The spelling of 52012543 in words is "fifty-two million, twelve thousand, five hundred forty-three".