8725825 has 12 divisors (see below), whose sum is σ = 11085228. Its totient is φ = 6809600.

The previous prime is 8725823. The next prime is 8725831. The reversal of 8725825 is 5285278.

It can be written as a sum of positive squares in 6 ways, for example, as 99856 + 8625969 = 316^2 + 2937^2 .

It is not a de Polignac number, because 8725825 - 2¹ = 8725823 is a prime.

It is a super-2 number, since 2×8725825² = 152280043861250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8725823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3232 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (923769).

Almost surely, 2^8725825 is an apocalyptic number.

It is an amenable number.

8725825 is a deficient number, since it is larger than the sum of its proper divisors (2359403).

8725825 is a wasteful number, since it uses less digits than its factorization.

8725825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564 (or 8559 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 8725825 is about 2953.9507443422. The cubic root of 8725825 is about 205.8743145721.

The spelling of 8725825 in words is "eight million, seven hundred twenty-five thousand, eight hundred twenty-five".