8510725 has 6 divisors (see below), whose sum is σ = 10553330. Its totient is φ = 6808560.

The previous prime is 8510707. The next prime is 8510729. The reversal of 8510725 is 5270158.

It can be written as a sum of positive squares in 3 ways, for example, as 1635841 + 6874884 = 1279^2 + 2622^2 .

It is not a de Polignac number, because 8510725 - 2¹⁵ = 8477957 is a prime.

8510725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8510693 and 8510702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8510729) 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, 170190 + ... + 170239.

Almost surely, 2^8510725 is an apocalyptic number.

It is an amenable number.

8510725 is a deficient number, since it is larger than the sum of its proper divisors (2042605).

8510725 is a wasteful number, since it uses less digits than its factorization.

8510725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340439 (or 340434 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 8510725 is about 2917.3146899161. The cubic root of 8510725 is about 204.1685538259.

The spelling of 8510725 in words is "eight million, five hundred ten thousand, seven hundred twenty-five".