825287 has 2 divisors, whose sum is σ = 825288. Its totient is φ = 825286.

The previous prime is 825283. The next prime is 825301. The reversal of 825287 is 782528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825287 - 2² = 825283 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 825287.

It is not a weakly prime, because it can be changed into another prime (825281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412643 + 412644.

It is an arithmetic number, because the mean of its divisors is an integer number (412644).

2⁸²⁵²⁸⁷ is an apocalyptic number.

825287 is a deficient number, since it is larger than the sum of its proper divisors (1).

825287 is an equidigital number, since it uses as much as digits as its factorization.

825287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 825287 is about 908.4530807917. The cubic root of 825287 is about 93.7997472272.

The spelling of 825287 in words is "eight hundred twenty-five thousand, two hundred eighty-seven".