8487251 has 4 divisors (see below), whose sum is σ = 8496600. Its totient is φ = 8477904.

The previous prime is 8487239. The next prime is 8487293. The reversal of 8487251 is 1527848.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8487251 - 2¹⁰ = 8486227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8487221) 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, 3146 + ... + 5183.

It is an arithmetic number, because the mean of its divisors is an integer number (2124150).

Almost surely, 2^8487251 is an apocalyptic number.

8487251 is a deficient number, since it is larger than the sum of its proper divisors (9349).

8487251 is a wasteful number, since it uses less digits than its factorization.

8487251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348.

The product of its digits is 17920, while the sum is 35.

The square root of 8487251 is about 2913.2886914963. The cubic root of 8487251 is about 203.9806706663.

The spelling of 8487251 in words is "eight million, four hundred eighty-seven thousand, two hundred fifty-one".