10309025 has 12 divisors (see below), whose sum is σ = 12825072. Its totient is φ = 8220240.

The previous prime is 10309009. The next prime is 10309031. The reversal of 10309025 is 52090301.

10309025 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 10309025 - 2⁴ = 10309009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10308988 and 10309006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11234 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (1068756).

Almost surely, 2^10309025 is an apocalyptic number.

It is an amenable number.

10309025 is a deficient number, since it is larger than the sum of its proper divisors (2516047).

10309025 is an equidigital number, since it uses as much as digits as its factorization.

10309025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 10309025 is about 3210.7670423125. The cubic root of 10309025 is about 217.6402407309.

Adding to 10309025 its reverse (52090301), we get a palindrome (62399326).

The spelling of 10309025 in words is "ten million, three hundred nine thousand, twenty-five".