5287971 has 8 divisors (see below), whose sum is σ = 7593040. Its totient is φ = 3254112.

The previous prime is 5287957. The next prime is 5287973. The reversal of 5287971 is 1797825.

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

It is not a de Polignac number, because 5287971 - 2¹⁰ = 5286947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 135589 = 5287971 / (5 + 2 + 8 + 7 + 9 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (5287973) 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, 67756 + ... + 67833.

It is an arithmetic number, because the mean of its divisors is an integer number (949130).

Almost surely, 2^5287971 is an apocalyptic number.

5287971 is a deficient number, since it is larger than the sum of its proper divisors (2305069).

5287971 is a wasteful number, since it uses less digits than its factorization.

5287971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135605.

The product of its digits is 35280, while the sum is 39.

The square root of 5287971 is about 2299.5588707402. The cubic root of 5287971 is about 174.2193362934.

The spelling of 5287971 in words is "five million, two hundred eighty-seven thousand, nine hundred seventy-one".