5271387 has 8 divisors (see below), whose sum is σ = 7667520. Its totient is φ = 3194760.

The previous prime is 5271373. The next prime is 5271397. The reversal of 5271387 is 7831725.

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

It is not a de Polignac number, because 5271387 - 2⁶ = 5271323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 159739 = 5271387 / (5 + 2 + 7 + 1 + 3 + 8 + 7).

It is an Ulam number.

5271387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5271307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79837 + ... + 79902.

It is an arithmetic number, because the mean of its divisors is an integer number (958440).

Almost surely, 2^5271387 is an apocalyptic number.

5271387 is a deficient number, since it is larger than the sum of its proper divisors (2396133).

5271387 is a wasteful number, since it uses less digits than its factorization.

5271387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159753.

The product of its digits is 11760, while the sum is 33.

The square root of 5271387 is about 2295.9501301204. The cubic root of 5271387 is about 174.0370181511.

The spelling of 5271387 in words is "five million, two hundred seventy-one thousand, three hundred eighty-seven".