5185571471 has 4 divisors (see below), whose sum is σ = 5204025744. Its totient is φ = 5167117200.

The previous prime is 5185571459. The next prime is 5185571477. The reversal of 5185571471 is 1741755815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5185571471 - 2¹⁰ = 5185570447 is a prime.

It is a super-3 number, since 3×5185571471³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185571477) 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, 9226715 + ... + 9227276.

It is an arithmetic number, because the mean of its divisors is an integer number (1301006436).

Almost surely, 2^5185571471 is an apocalyptic number.

5185571471 is a deficient number, since it is larger than the sum of its proper divisors (18454273).

5185571471 is a wasteful number, since it uses less digits than its factorization.

5185571471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18454272.

The product of its digits is 196000, while the sum is 44.

The square root of 5185571471 is about 72010.9121661433. The cubic root of 5185571471 is about 1730.8743473624.

The spelling of 5185571471 in words is "five billion, one hundred eighty-five million, five hundred seventy-one thousand, four hundred seventy-one".