10305225 has 60 divisors (see below), whose sum is σ = 21845824. Its totient is φ = 4704480.

The previous prime is 10305193. The next prime is 10305233. The reversal of 10305225 is 52250301.

It is a happy number.

It is not a de Polignac number, because 10305225 - 2⁵ = 10305193 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 10305198 and 10305207.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13812 + ... + 14538.

Almost surely, 2^10305225 is an apocalyptic number.

10305225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10305225 is an abundant number, since it is smaller than the sum of its proper divisors (11540599).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10305225 is an equidigital number, since it uses as much as digits as its factorization.

10305225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 10305225 is about 3210.1752288621. The cubic root of 10305225 is about 217.6134960564.

Adding to 10305225 its reverse (52250301), we get a palindrome (62555526).

The spelling of 10305225 in words is "ten million, three hundred five thousand, two hundred twenty-five".