825347 has 2 divisors, whose sum is σ = 825348. Its totient is φ = 825346.

The previous prime is 825343. The next prime is 825353. The reversal of 825347 is 743528.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825347 - 2² = 825343 is a prime.

It is a d-powerful number, because it can be written as 8² + 2¹⁰ + 3³ + 5⁴ + 4³ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (825343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412673 + 412674.

It is an arithmetic number, because the mean of its divisors is an integer number (412674).

2⁸²⁵³⁴⁷ is an apocalyptic number.

825347 is a deficient number, since it is larger than the sum of its proper divisors (1).

825347 is an equidigital number, since it uses as much as digits as its factorization.

825347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 825347 is about 908.4861033610. The cubic root of 825347 is about 93.8020203146.

The spelling of 825347 in words is "eight hundred twenty-five thousand, three hundred forty-seven".