8425506 has 48 divisors (see below), whose sum is σ = 18478944. Its totient is φ = 2558976.

The previous prime is 8425453. The next prime is 8425519. The reversal of 8425506 is 6055248.

It is a d-powerful number, because it can be written as 8⁴ + 4⁴ + 2²³ + 5⁶ + 5⁶ + 0 + 6⁴ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74506 + ... + 74618.

It is an arithmetic number, because the mean of its divisors is an integer number (384978).

Almost surely, 2^8425506 is an apocalyptic number.

8425506 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8425506 is an abundant number, since it is smaller than the sum of its proper divisors (10053438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8425506 is a wasteful number, since it uses less digits than its factorization.

8425506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 8425506 is about 2902.6722171131. The cubic root of 8425506 is about 203.4848111300.

The spelling of 8425506 in words is "eight million, four hundred twenty-five thousand, five hundred six".