8426825 has 12 divisors (see below), whose sum is σ = 11399568. Its totient is φ = 6128400.

The previous prime is 8426819. The next prime is 8426827. The reversal of 8426825 is 5286248.

It is not a de Polignac number, because 8426825 - 2⁸ = 8426569 is a prime.

It is a super-2 number, since 2×8426825² = 142022759161250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 4 + 2¹⁵ + 6⁴ + 8³ + 2²³ + 5⁵ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8426827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15047 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (949964).

Almost surely, 2^8426825 is an apocalyptic number.

It is an amenable number.

8426825 is a deficient number, since it is larger than the sum of its proper divisors (2972743).

8426825 is a wasteful number, since it uses less digits than its factorization.

8426825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30664 (or 30659 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 8426825 is about 2902.8994126562. The cubic root of 8426825 is about 203.4954289874.

It can be divided in two parts, 842 and 6825, that added together give a palindrome (7667).

The spelling of 8426825 in words is "eight million, four hundred twenty-six thousand, eight hundred twenty-five".