10420625 has 10 divisors (see below), whose sum is σ = 13022394. Its totient is φ = 8336000.

The previous prime is 10420603. The next prime is 10420637. The reversal of 10420625 is 52602401.

It is a happy number.

10420625 is digitally balanced in base 3, 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 5 ways, for example, as 1700416 + 8720209 = 1304^2 + 2953^2 .

It is not a de Polignac number, because 10420625 - 2¹⁰ = 10419601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10420597 and 10420606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7712 + ... + 8961.

Almost surely, 2^10420625 is an apocalyptic number.

It is an amenable number.

10420625 is a deficient number, since it is larger than the sum of its proper divisors (2601769).

10420625 is an frugal number, since it uses more digits than its factorization.

10420625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16693 (or 16678 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10420625 is about 3228.0992859576. The cubic root of 10420625 is about 218.4227760622.

The spelling of 10420625 in words is "ten million, four hundred twenty thousand, six hundred twenty-five".