8525281 has 16 divisors (see below), whose sum is σ = 9405760. Its totient is φ = 7698240.

The previous prime is 8525263. The next prime is 8525291. The reversal of 8525281 is 1825258.

It is a cyclic number.

It is not a de Polignac number, because 8525281 - 2¹⁵ = 8492513 is a prime.

It is a super-2 number, since 2×8525281² = 145360832257922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8525201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47011 + ... + 47191.

It is an arithmetic number, because the mean of its divisors is an integer number (587860).

Almost surely, 2^8525281 is an apocalyptic number.

It is an amenable number.

8525281 is a deficient number, since it is larger than the sum of its proper divisors (880479).

8525281 is a wasteful number, since it uses less digits than its factorization.

8525281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its digits is 6400, while the sum is 31.

The square root of 8525281 is about 2919.8083841239. The cubic root of 8525281 is about 204.2848848787.

The spelling of 8525281 in words is "eight million, five hundred twenty-five thousand, two hundred eighty-one".