8525018 has 4 divisors (see below), whose sum is σ = 12787530. Its totient is φ = 4262508.

The previous prime is 8525017. The next prime is 8525029. The reversal of 8525018 is 8105258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8508889 + 16129 = 2917^2 + 127^2 .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8525017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131253 + ... + 2131256.

Almost surely, 2^8525018 is an apocalyptic number.

8525018 is a deficient number, since it is larger than the sum of its proper divisors (4262512).

8525018 is a wasteful number, since it uses less digits than its factorization.

8525018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262511.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 8525018 is about 2919.7633465745. The cubic root of 8525018 is about 204.2827841668.

The spelling of 8525018 in words is "eight million, five hundred twenty-five thousand, eighteen".