8259005 has 4 divisors (see below), whose sum is σ = 9910812. Its totient is φ = 6607200.

The previous prime is 8258983. The next prime is 8259007. The reversal of 8259005 is 5009528.

8259005 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 can be written as a sum of positive squares in 2 ways, for example, as 6482116 + 1776889 = 2546^2 + 1333^2 .

It is not a de Polignac number, because 8259005 - 2¹⁶ = 8193469 is a prime.

It is a super-2 number, since 2×8259005² = 136422327180050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8259007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825896 + ... + 825905.

It is an arithmetic number, because the mean of its divisors is an integer number (2477703).

Almost surely, 2^8259005 is an apocalyptic number.

It is an amenable number.

8259005 is a deficient number, since it is larger than the sum of its proper divisors (1651807).

8259005 is a wasteful number, since it uses less digits than its factorization.

8259005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651806.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 8259005 is about 2873.8484650378. The cubic root of 8259005 is about 202.1354922106.

The spelling of 8259005 in words is "eight million, two hundred fifty-nine thousand, five".