825485 has 8 divisors (see below), whose sum is σ = 1024920. Its totient is φ = 637504.

The previous prime is 825479. The next prime is 825491. The reversal of 825485 is 584528.

It is an interprime number because it is at equal distance from previous prime (825479) and next prime (825491).

It can be written as a sum of positive squares in 4 ways, for example, as 11881 + 813604 = 109^2 + 902^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 825485 - 2⁶ = 825421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (128115).

2⁸²⁵⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

825485 is a deficient number, since it is larger than the sum of its proper divisors (199435).

825485 is a wasteful number, since it uses less digits than its factorization.

825485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727.

The product of its digits is 12800, while the sum is 32.

The square root of 825485 is about 908.5620507153. The cubic root of 825485 is about 93.8072479976.

The spelling of 825485 in words is "eight hundred twenty-five thousand, four hundred eighty-five".