52115263 has 4 divisors (see below), whose sum is σ = 54381168. Its totient is φ = 49849360.

The previous prime is 52115209. The next prime is 52115281. The reversal of 52115263 is 36251125.

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 52115263 - 2¹³ = 52107071 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 (52115363) 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, 1132918 + ... + 1132963.

It is an arithmetic number, because the mean of its divisors is an integer number (13595292).

Almost surely, 2^52115263 is an apocalyptic number.

52115263 is a deficient number, since it is larger than the sum of its proper divisors (2265905).

52115263 is a wasteful number, since it uses less digits than its factorization.

52115263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265904.

The product of its digits is 1800, while the sum is 25.

The square root of 52115263 is about 7219.0901781319. The cubic root of 52115263 is about 373.5266944954.

Adding to 52115263 its reverse (36251125), we get a palindrome (88366388).

The spelling of 52115263 in words is "fifty-two million, one hundred fifteen thousand, two hundred sixty-three".