52143263 has 4 divisors (see below), whose sum is σ = 52193928. Its totient is φ = 52092600.

The previous prime is 52143251. The next prime is 52143313. The reversal of 52143263 is 36234125.

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 52143263 - 2¹⁰ = 52142239 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 (52145263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23756 + ... + 25857.

It is an arithmetic number, because the mean of its divisors is an integer number (13048482).

Almost surely, 2^52143263 is an apocalyptic number.

52143263 is a deficient number, since it is larger than the sum of its proper divisors (50665).

52143263 is a wasteful number, since it uses less digits than its factorization.

52143263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50664.

The product of its digits is 4320, while the sum is 26.

The square root of 52143263 is about 7221.0292202705. The cubic root of 52143263 is about 373.5935774925.

Adding to 52143263 its reverse (36234125), we get a palindrome (88377388).

The spelling of 52143263 in words is "fifty-two million, one hundred forty-three thousand, two hundred sixty-three".