538689271 has 2 divisors, whose sum is σ = 538689272. Its totient is φ = 538689270.

The previous prime is 538689259. The next prime is 538689299. The reversal of 538689271 is 172986835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538689271 - 2¹¹ = 538687223 is a prime.

It is a super-2 number, since 2×538689271² = 580372261381022882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538689241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269344635 + 269344636.

It is an arithmetic number, because the mean of its divisors is an integer number (269344636).

Almost surely, 2^538689271 is an apocalyptic number.

538689271 is a deficient number, since it is larger than the sum of its proper divisors (1).

538689271 is an equidigital number, since it uses as much as digits as its factorization.

538689271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 538689271 is about 23209.6805449795. The cubic root of 538689271 is about 813.6658871235.

The spelling of 538689271 in words is "five hundred thirty-eight million, six hundred eighty-nine thousand, two hundred seventy-one".