538942271 has 8 divisors (see below), whose sum is σ = 619126944. Its totient is φ = 459555840.

The previous prime is 538942267. The next prime is 538942291. The reversal of 538942271 is 172249835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538942271 - 2² = 538942267 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 (538942231) 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 7 ways as a sum of consecutive naturals, for example, 198110 + ... + 200811.

It is an arithmetic number, because the mean of its divisors is an integer number (77390868).

Almost surely, 2^538942271 is an apocalyptic number.

538942271 is a deficient number, since it is larger than the sum of its proper divisors (80184673).

538942271 is a wasteful number, since it uses less digits than its factorization.

538942271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399121.

The product of its digits is 120960, while the sum is 41.

The square root of 538942271 is about 23215.1302171666. The cubic root of 538942271 is about 813.7932488892.

It can be divided in two parts, 53894 and 2271, that added together give a palindrome (56165).

The spelling of 538942271 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, two hundred seventy-one".