8418825 has 72 divisors (see below), whose sum is σ = 16713216. Its totient is φ = 4032000.

The previous prime is 8418803. The next prime is 8418847. The reversal of 8418825 is 5288148.

It is an interprime number because it is at equal distance from previous prime (8418803) and next prime (8418847).

It is not a de Polignac number, because 8418825 - 2⁹ = 8418313 is a prime.

It is a super-2 number, since 2×8418825² = 141753228761250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8418825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 118540 + ... + 118610.

It is an arithmetic number, because the mean of its divisors is an integer number (232128).

Almost surely, 2^8418825 is an apocalyptic number.

8418825 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8418825 is a deficient number, since it is larger than the sum of its proper divisors (8294391).

8418825 is a wasteful number, since it uses less digits than its factorization.

8418825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 127 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 8418825 is about 2901.5211527749. The cubic root of 8418825 is about 203.4310125208.

The spelling of 8418825 in words is "eight million, four hundred eighteen thousand, eight hundred twenty-five".