9620825 has 18 divisors (see below), whose sum is σ = 12247914. Its totient is φ = 7496320.

The previous prime is 9620801. The next prime is 9620833. The reversal of 9620825 is 5280269.

9620825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 644809 + 8976016 = 803^2 + 2996^2 .

It is not a de Polignac number, because 9620825 - 2⁶ = 9620761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9620791 and 9620800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 70157 + ... + 70293.

Almost surely, 2^9620825 is an apocalyptic number.

It is an amenable number.

9620825 is a deficient number, since it is larger than the sum of its proper divisors (2627089).

9620825 is a wasteful number, since it uses less digits than its factorization.

9620825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 9620825 is about 3101.7454763407. The cubic root of 9620825 is about 212.6852824620.

The spelling of 9620825 in words is "nine million, six hundred twenty thousand, eight hundred twenty-five".