980825 has 6 divisors (see below), whose sum is σ = 1216254. Its totient is φ = 784640.

The previous prime is 980803. The next prime is 980827. The reversal of 980825 is 528089.

It can be written as a sum of positive squares in 3 ways, for example, as 2704 + 978121 = 52^2 + 989^2 .

It is a de Polignac number, because none of the positive numbers 2^k-980825 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 980791 and 980800.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980825.

It is not an unprimeable number, because it can be changed into a prime (980827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19592 + ... + 19641.

It is an arithmetic number, because the mean of its divisors is an integer number (202709).

2⁹⁸⁰⁸²⁵ is an apocalyptic number.

It is an amenable number.

980825 is a deficient number, since it is larger than the sum of its proper divisors (235429).

980825 is a wasteful number, since it uses less digits than its factorization.

980825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39243 (or 39238 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 980825 is about 990.3660939269. The cubic root of 980825 is about 99.3567039086.

The spelling of 980825 in words is "nine hundred eighty thousand, eight hundred twenty-five".