827281 has 8 divisors (see below), whose sum is σ = 1018304. Its totient is φ = 654480.

The previous prime is 827269. The next prime is 827293. The reversal of 827281 is 182728.

It is an interprime number because it is at equal distance from previous prime (827269) and next prime (827293).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-827281 is a prime.

It is a super-2 number, since 2×827281² = 1368787705922, which contains 22 as substring.

It is a deceptive number, since it divides R₈₂₇₂₈₀.

It is not an unprimeable number, because it can be changed into a prime (827231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (127288).

2⁸²⁷²⁸¹ is an apocalyptic number.

It is an amenable number.

827281 is a deficient number, since it is larger than the sum of its proper divisors (191023).

827281 is a wasteful number, since it uses less digits than its factorization.

827281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

The product of its digits is 1792, while the sum is 28.

The square root of 827281 is about 909.5498886812. The cubic root of 827281 is about 93.8752305694.

The spelling of 827281 in words is "eight hundred twenty-seven thousand, two hundred eighty-one".