538291267 has 16 divisors (see below), whose sum is σ = 561339072. Its totient is φ = 515848320.

The previous prime is 538291253. The next prime is 538291277. The reversal of 538291267 is 762192835.

It is a cyclic number.

It is not a de Polignac number, because 538291267 - 2²⁷ = 404073539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538291217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539413 + ... + 540409.

It is an arithmetic number, because the mean of its divisors is an integer number (35083692).

Almost surely, 2^538291267 is an apocalyptic number.

538291267 is a deficient number, since it is larger than the sum of its proper divisors (23047805).

538291267 is a wasteful number, since it uses less digits than its factorization.

538291267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278.

The product of its digits is 181440, while the sum is 43.

The square root of 538291267 is about 23201.1048659326. The cubic root of 538291267 is about 813.4654487115.

The spelling of 538291267 in words is "five hundred thirty-eight million, two hundred ninety-one thousand, two hundred sixty-seven".