538563471 has 16 divisors (see below), whose sum is σ = 729243648. Its totient is φ = 353477600.

The previous prime is 538563457. The next prime is 538563481. The reversal of 538563471 is 174365835.

It is a cyclic number.

It is not a de Polignac number, because 538563471 - 2¹¹ = 538561423 is a prime.

It is a super-3 number, since 3×538563471³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538563481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199090 + ... + 201776.

It is an arithmetic number, because the mean of its divisors is an integer number (45577728).

Almost surely, 2^538563471 is an apocalyptic number.

538563471 is a deficient number, since it is larger than the sum of its proper divisors (190680177).

538563471 is a wasteful number, since it uses less digits than its factorization.

538563471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702.

The product of its digits is 302400, while the sum is 42.

The square root of 538563471 is about 23206.9703106631. The cubic root of 538563471 is about 813.6025437806.

The spelling of 538563471 in words is "five hundred thirty-eight million, five hundred sixty-three thousand, four hundred seventy-one".