8756225 has 6 divisors (see below), whose sum is σ = 10857750. Its totient is φ = 7004960.

The previous prime is 8756221. The next prime is 8756233. The reversal of 8756225 is 5226578.

8756225 = 304² + 305² + ... + 378².

It can be written as a sum of positive squares in 3 ways, for example, as 758641 + 7997584 = 871^2 + 2828^2 .

It is not a de Polignac number, because 8756225 - 2² = 8756221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8756221) 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, 175100 + ... + 175149.

It is an arithmetic number, because the mean of its divisors is an integer number (1809625).

Almost surely, 2^8756225 is an apocalyptic number.

It is an amenable number.

8756225 is a deficient number, since it is larger than the sum of its proper divisors (2101525).

8756225 is a wasteful number, since it uses less digits than its factorization.

8756225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350259 (or 350254 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 8756225 is about 2959.0919215192. The cubic root of 8756225 is about 206.1131200752.

The spelling of 8756225 in words is "eight million, seven hundred fifty-six thousand, two hundred twenty-five".