52001263 has 4 divisors (see below), whose sum is σ = 53794440. Its totient is φ = 50208088.

The previous prime is 52001239. The next prime is 52001267. The reversal of 52001263 is 36210025.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52001263 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 52001263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001267) 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, 896545 + ... + 896602.

It is an arithmetic number, because the mean of its divisors is an integer number (13448610).

Almost surely, 2^52001263 is an apocalyptic number.

52001263 is a deficient number, since it is larger than the sum of its proper divisors (1793177).

52001263 is a wasteful number, since it uses less digits than its factorization.

52001263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793176.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52001263 is about 7211.1901236897. The cubic root of 52001263 is about 373.2541375557.

Adding to 52001263 its reverse (36210025), we get a palindrome (88211288).

The spelling of 52001263 in words is "fifty-two million, one thousand, two hundred sixty-three".