8425555 has 4 divisors (see below), whose sum is σ = 10110672. Its totient is φ = 6740440.

The previous prime is 8425553. The next prime is 8425577. The reversal of 8425555 is 5555248.

8425555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8425555 - 2¹ = 8425553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8425555.

It is not an unprimeable number, because it can be changed into a prime (8425553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842551 + ... + 842560.

It is an arithmetic number, because the mean of its divisors is an integer number (2527668).

Almost surely, 2^8425555 is an apocalyptic number.

8425555 is a deficient number, since it is larger than the sum of its proper divisors (1685117).

8425555 is a wasteful number, since it uses less digits than its factorization.

8425555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685116.

The product of its digits is 40000, while the sum is 34.

The square root of 8425555 is about 2902.6806575991. The cubic root of 8425555 is about 203.4852055964.

The spelling of 8425555 in words is "eight million, four hundred twenty-five thousand, five hundred fifty-five".