8518249 has 8 divisors (see below), whose sum is σ = 8682408. Its totient is φ = 8355840.

The previous prime is 8518231. The next prime is 8518261. The reversal of 8518249 is 9428158.

8518249 = T₁₉₄ + T₁₉₅ + ... + T₃₈₇.

8518249 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3080025 + 5438224 = 1755^2 + 2332^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8518249 - 2⁷ = 8518121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8518219) 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, 12969 + ... + 13609.

It is an arithmetic number, because the mean of its divisors is an integer number (1085301).

Almost surely, 2^8518249 is an apocalyptic number.

It is an amenable number.

8518249 is a deficient number, since it is larger than the sum of its proper divisors (164159).

8518249 is a wasteful number, since it uses less digits than its factorization.

8518249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875.

The product of its digits is 23040, while the sum is 37.

The square root of 8518249 is about 2918.6039470953. The cubic root of 8518249 is about 204.2287019227.

Subtracting 8518249 from its reverse (9428158), we obtain a palindrome (909909).

The spelling of 8518249 in words is "eight million, five hundred eighteen thousand, two hundred forty-nine".