10666253 has 4 divisors (see below), whose sum is σ = 11486748. Its totient is φ = 9845760.

The previous prime is 10666241. The next prime is 10666297. The reversal of 10666253 is 35266601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 10252804 = 643^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666253 - 2⁴ = 10666237 is a prime.

It is a super-2 number, since 2×10666253² = 227537906120018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410228 + ... + 410253.

It is an arithmetic number, because the mean of its divisors is an integer number (2871687).

Almost surely, 2^10666253 is an apocalyptic number.

10666253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10666253 is a deficient number, since it is larger than the sum of its proper divisors (820495).

10666253 is an equidigital number, since it uses as much as digits as its factorization.

10666253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820494.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 10666253 is about 3265.9229935808. The cubic root of 10666253 is about 220.1256376036.

The spelling of 10666253 in words is "ten million, six hundred sixty-six thousand, two hundred fifty-three".