538937263 has 4 divisors (see below), whose sum is σ = 556322368. Its totient is φ = 521552160.

The previous prime is 538937249. The next prime is 538937293. The reversal of 538937263 is 362739835.

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-538937263 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 (538937293) 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, 8692506 + ... + 8692567.

It is an arithmetic number, because the mean of its divisors is an integer number (139080592).

Almost surely, 2^538937263 is an apocalyptic number.

538937263 is a deficient number, since it is larger than the sum of its proper divisors (17385105).

538937263 is a wasteful number, since it uses less digits than its factorization.

538937263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385104.

The product of its digits is 816480, while the sum is 46.

The square root of 538937263 is about 23215.0223562244. The cubic root of 538937263 is about 813.7907282178.

The spelling of 538937263 in words is "five hundred thirty-eight million, nine hundred thirty-seven thousand, two hundred sixty-three".