9982025 has 6 divisors (see below), whose sum is σ = 12377742. Its totient is φ = 7985600.

The previous prime is 9981943. The next prime is 9982051. The reversal of 9982025 is 5202899.

It can be written as a sum of positive squares in 3 ways, for example, as 15376 + 9966649 = 124^2 + 3157^2 .

It is not a de Polignac number, because 9982025 - 2¹⁰ = 9981001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199616 + ... + 199665.

It is an arithmetic number, because the mean of its divisors is an integer number (2062957).

Almost surely, 2^9982025 is an apocalyptic number.

It is an amenable number.

9982025 is a deficient number, since it is larger than the sum of its proper divisors (2395717).

9982025 is a wasteful number, since it uses less digits than its factorization.

9982025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399291 (or 399286 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 9982025 is about 3159.4342848048. The cubic root of 9982025 is about 215.3143050363.

The spelling of 9982025 in words is "nine million, nine hundred eighty-two thousand, twenty-five".