8472565 has 4 divisors (see below), whose sum is σ = 10167084. Its totient is φ = 6778048.

The previous prime is 8472559. The next prime is 8472571. The reversal of 8472565 is 5652748.

It is a happy number.

8472565 is digitally balanced in base 2, 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 is an interprime number because it is at equal distance from previous prime (8472559) and next prime (8472571).

It can be written as a sum of positive squares in 2 ways, for example, as 5171076 + 3301489 = 2274^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 8472565 - 2⁹ = 8472053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847252 + ... + 847261.

It is an arithmetic number, because the mean of its divisors is an integer number (2541771).

Almost surely, 2^8472565 is an apocalyptic number.

It is an amenable number.

8472565 is a deficient number, since it is larger than the sum of its proper divisors (1694519).

8472565 is a wasteful number, since it uses less digits than its factorization.

8472565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694518.

The product of its digits is 67200, while the sum is 37.

The square root of 8472565 is about 2910.7670810286. The cubic root of 8472565 is about 203.8629494062.

The spelling of 8472565 in words is "eight million, four hundred seventy-two thousand, five hundred sixty-five".