8305225 has 12 divisors (see below), whose sum is σ = 10445760. Its totient is φ = 6549200.

The previous prime is 8305217. The next prime is 8305243. The reversal of 8305225 is 5225038.

It is not a de Polignac number, because 8305225 - 2³ = 8305217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8305225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^8305225 is an apocalyptic number.

It is an amenable number.

8305225 is a deficient number, since it is larger than the sum of its proper divisors (2140535).

8305225 is a wasteful number, since it uses less digits than its factorization.

8305225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 8305225 is about 2881.8787274970. The cubic root of 8305225 is about 202.5118623341.

The spelling of 8305225 in words is "eight million, three hundred five thousand, two hundred twenty-five".