52012243 has 4 divisors (see below), whose sum is σ = 52166920. Its totient is φ = 51857568.

The previous prime is 52012237. The next prime is 52012249. The reversal of 52012243 is 34221025.

52012243 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.

It is an interprime number because it is at equal distance from previous prime (52012237) and next prime (52012249).

It is a cyclic number.

It is not a de Polignac number, because 52012243 - 2⁹ = 52011731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52012243.

It is not an unprimeable number, because it can be changed into a prime (52012249) 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, 76833 + ... + 77506.

It is an arithmetic number, because the mean of its divisors is an integer number (13041730).

Almost surely, 2^52012243 is an apocalyptic number.

52012243 is a deficient number, since it is larger than the sum of its proper divisors (154677).

52012243 is a wasteful number, since it uses less digits than its factorization.

52012243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154676.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52012243 is about 7211.9514002800. The cubic root of 52012243 is about 373.2804064178.

Adding to 52012243 its reverse (34221025), we get a palindrome (86233268).

The spelling of 52012243 in words is "fifty-two million, twelve thousand, two hundred forty-three".