8613425 has 12 divisors (see below), whose sum is σ = 10778700. Its totient is φ = 6827520.

The previous prime is 8613421. The next prime is 8613427. The reversal of 8613425 is 5243168.

It can be written as a sum of positive squares in 6 ways, for example, as 3519376 + 5094049 = 1876^2 + 2257^2 .

It is not a de Polignac number, because 8613425 - 2² = 8613421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8613421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1301 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (898225).

Almost surely, 2^8613425 is an apocalyptic number.

It is an amenable number.

8613425 is a deficient number, since it is larger than the sum of its proper divisors (2165275).

8613425 is a wasteful number, since it uses less digits than its factorization.

8613425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3167 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 8613425 is about 2934.8637106346. The cubic root of 8613425 is about 204.9865150757.

The spelling of 8613425 in words is "eight million, six hundred thirteen thousand, four hundred twenty-five".