10645225 has 24 divisors (see below), whose sum is σ = 14131040. Its totient is φ = 7931520.

The previous prime is 10645223. The next prime is 10645231. The reversal of 10645225 is 52254601.

It is not a de Polignac number, because 10645225 - 2¹ = 10645223 is a prime.

It is a super-2 number, since 2×10645225² = 226641630601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 10645225.

It is not an unprimeable number, because it can be changed into a prime (10645223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34522 + ... + 34828.

Almost surely, 2^10645225 is an apocalyptic number.

It is an amenable number.

10645225 is a deficient number, since it is larger than the sum of its proper divisors (3485815).

10645225 is a wasteful number, since it uses less digits than its factorization.

10645225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 10645225 is about 3262.7021010200. The cubic root of 10645225 is about 219.9808867693.

Adding to 10645225 its reverse (52254601), we get a palindrome (62899826).

The spelling of 10645225 in words is "ten million, six hundred forty-five thousand, two hundred twenty-five".