8918425 has 6 divisors (see below), whose sum is σ = 11058878. Its totient is φ = 7134720.

The previous prime is 8918419. The next prime is 8918453. The reversal of 8918425 is 5248198.

It can be written as a sum of positive squares in 3 ways, for example, as 2663424 + 6255001 = 1632^2 + 2501^2 .

It is not a de Polignac number, because 8918425 - 2³ = 8918417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178344 + ... + 178393.

Almost surely, 2^8918425 is an apocalyptic number.

It is an amenable number.

8918425 is a deficient number, since it is larger than the sum of its proper divisors (2140453).

8918425 is a wasteful number, since it uses less digits than its factorization.

8918425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356747 (or 356742 counting only the distinct ones).

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

The square root of 8918425 is about 2986.3732184709. The cubic root of 8918425 is about 207.3780189822.

It can be divided in two parts, 891 and 8425, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 8918425 in words is "eight million, nine hundred eighteen thousand, four hundred twenty-five".