8175725 has 12 divisors (see below), whose sum is σ = 10734804. Its totient is φ = 6155520.

The previous prime is 8175707. The next prime is 8175731. The reversal of 8175725 is 5275718.

It can be written as a sum of positive squares in 6 ways, for example, as 346921 + 7828804 = 589^2 + 2798^2 .

It is not a de Polignac number, because 8175725 - 2⁸ = 8175469 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 9194 + ... + 10043.

It is an arithmetic number, because the mean of its divisors is an integer number (894567).

Almost surely, 2^8175725 is an apocalyptic number.

8175725 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8175725 is a deficient number, since it is larger than the sum of its proper divisors (2559079).

8175725 is a wasteful number, since it uses less digits than its factorization.

8175725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264 (or 19259 counting only the distinct ones).

The product of its digits is 19600, while the sum is 35.

The square root of 8175725 is about 2859.3224721951. The cubic root of 8175725 is about 201.4537819852.

The spelling of 8175725 in words is "eight million, one hundred seventy-five thousand, seven hundred twenty-five".