8505025 has 6 divisors (see below), whose sum is σ = 10546262. Its totient is φ = 6804000.

The previous prime is 8505023. The next prime is 8505031. The reversal of 8505025 is 5205058.

It can be written as a sum of positive squares in 3 ways, for example, as 25281 + 8479744 = 159^2 + 2912^2 .

It is not a de Polignac number, because 8505025 - 2¹ = 8505023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 340201 = 8505025 / (8 + 5 + 0 + 5 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8505023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170076 + ... + 170125.

Almost surely, 2^8505025 is an apocalyptic number.

It is an amenable number.

8505025 is a deficient number, since it is larger than the sum of its proper divisors (2041237).

8505025 is a wasteful number, since it uses less digits than its factorization.

8505025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340211 (or 340206 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 8505025 is about 2916.3376004846. The cubic root of 8505025 is about 204.1229634811.

The spelling of 8505025 in words is "eight million, five hundred five thousand, twenty-five".