969825 has 24 divisors (see below), whose sum is σ = 1635808. Its totient is φ = 506880.

The previous prime is 969821. The next prime is 969851. The reversal of 969825 is 528969.

It is a happy number.

969825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 969825 - 2² = 969821 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a nialpdrome in base 16.

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 969825.

It is not an unprimeable number, because it can be changed into a prime (969821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4929 + ... + 5121.

2⁹⁶⁹⁸²⁵ is an apocalyptic number.

It is an amenable number.

969825 is a deficient number, since it is larger than the sum of its proper divisors (665983).

969825 is a wasteful number, since it uses less digits than its factorization.

969825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 268 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 969825 is about 984.7969333827. The cubic root of 969825 is about 98.9838765702.

The spelling of 969825 in words is "nine hundred sixty-nine thousand, eight hundred twenty-five".