5271729 has 8 divisors (see below), whose sum is σ = 7068960. Its totient is φ = 3494496.

The previous prime is 5271727. The next prime is 5271731. The reversal of 5271729 is 9271725.

It is an interprime number because it is at equal distance from previous prime (5271727) and next prime (5271731).

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

It is not a de Polignac number, because 5271729 - 2¹ = 5271727 is a prime.

It is a super-2 number, since 2×5271729² = 55582253298882, which contains 22 as substring.

5271729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5271729.

It is not an unprimeable number, because it can be changed into a prime (5271727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4372 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (883620).

Almost surely, 2^5271729 is an apocalyptic number.

It is an amenable number.

5271729 is a deficient number, since it is larger than the sum of its proper divisors (1797231).

5271729 is a wasteful number, since it uses less digits than its factorization.

5271729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999.

The product of its digits is 8820, while the sum is 33.

The square root of 5271729 is about 2296.0246078821. The cubic root of 5271729 is about 174.0407818268.

The spelling of 5271729 in words is "five million, two hundred seventy-one thousand, seven hundred twenty-nine".