8125618 has 4 divisors (see below), whose sum is σ = 12188430. Its totient is φ = 4062808.

The previous prime is 8125583. The next prime is 8125631. The reversal of 8125618 is 8165218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8165218 = 2 ⋅4082609.

It can be written as a sum of positive squares in only one way, i.e., 6185169 + 1940449 = 2487^2 + 1393^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8125618.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031403 + ... + 2031406.

Almost surely, 2^8125618 is an apocalyptic number.

8125618 is a deficient number, since it is larger than the sum of its proper divisors (4062812).

8125618 is a wasteful number, since it uses less digits than its factorization.

8125618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062811.

The product of its digits is 3840, while the sum is 31.

The square root of 8125618 is about 2850.5469650578. The cubic root of 8125618 is about 201.0413848433.

The spelling of 8125618 in words is "eight million, one hundred twenty-five thousand, six hundred eighteen".