8731025 has 6 divisors (see below), whose sum is σ = 10826502. Its totient is φ = 6984800.

The previous prime is 8730983. The next prime is 8731027. The reversal of 8731025 is 5201378.

It can be written as a sum of positive squares in 3 ways, for example, as 10816 + 8720209 = 104^2 + 2953^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8731025 is a prime.

It is a super-3 number, since 3×8731025³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8730985 and 8731003.

It is not an unprimeable number, because it can be changed into a prime (8731027) 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, 174596 + ... + 174645.

It is an arithmetic number, because the mean of its divisors is an integer number (1804417).

Almost surely, 2^8731025 is an apocalyptic number.

It is an amenable number.

8731025 is a deficient number, since it is larger than the sum of its proper divisors (2095477).

8731025 is a wasteful number, since it uses less digits than its factorization.

8731025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349251 (or 349246 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 8731025 is about 2954.8307904176. The cubic root of 8731025 is about 205.9152021615.

The spelling of 8731025 in words is "eight million, seven hundred thirty-one thousand, twenty-five".