8207725 has 12 divisors (see below), whose sum is σ = 10529460. Its totient is φ = 6339200.

The previous prime is 8207707. The next prime is 8207743. The reversal of 8207725 is 5277028.

It is an interprime number because it is at equal distance from previous prime (8207707) and next prime (8207743).

It can be written as a sum of positive squares in 6 ways, for example, as 1142761 + 7064964 = 1069^2 + 2658^2 .

It is not a de Polignac number, because 8207725 - 2¹¹ = 8205677 is a prime.

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, 4936 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (877455).

Almost surely, 2^8207725 is an apocalyptic number.

It is an amenable number.

8207725 is a deficient number, since it is larger than the sum of its proper divisors (2321735).

8207725 is a wasteful number, since it uses less digits than its factorization.

8207725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360 (or 11355 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 8207725 is about 2864.9127386362. The cubic root of 8207725 is about 201.7162715971.

The spelling of 8207725 in words is "eight million, two hundred seven thousand, seven hundred twenty-five".