10665625 has 12 divisors (see below), whose sum is σ = 13335084. Its totient is φ = 8530000.

The previous prime is 10665619. The next prime is 10665637. The reversal of 10665625 is 52656601.

It can be written as a sum of positive squares in 6 ways, for example, as 6205081 + 4460544 = 2491^2 + 2112^2 .

It is not a de Polignac number, because 10665625 - 2⁷ = 10665497 is a prime.

It is a super-2 number, since 2×10665625² = 227511113281250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1419 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (1111257).

Almost surely, 2^10665625 is an apocalyptic number.

It is an amenable number.

10665625 is a deficient number, since it is larger than the sum of its proper divisors (2669459).

10665625 is an frugal number, since it uses more digits than its factorization.

10665625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 10665625 is about 3265.8268478289. The cubic root of 10665625 is about 220.1213173856.

The spelling of 10665625 in words is "ten million, six hundred sixty-five thousand, six hundred twenty-five".