8487571 has 2 divisors, whose sum is σ = 8487572. Its totient is φ = 8487570.

The previous prime is 8487569. The next prime is 8487587. The reversal of 8487571 is 1757848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8487571 - 2¹ = 8487569 is a prime.

It is a super-2 number, since 2×8487571² = 144077722960082, which contains 22 as substring.

Together with 8487569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8487551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243785 + 4243786.

It is an arithmetic number, because the mean of its divisors is an integer number (4243786).

Almost surely, 2^8487571 is an apocalyptic number.

8487571 is a deficient number, since it is larger than the sum of its proper divisors (1).

8487571 is an equidigital number, since it uses as much as digits as its factorization.

8487571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 40.

The square root of 8487571 is about 2913.3436117286. The cubic root of 8487571 is about 203.9832342366.

The spelling of 8487571 in words is "eight million, four hundred eighty-seven thousand, five hundred seventy-one".