10530945 has 16 divisors (see below), whose sum is σ = 18721920. Its totient is φ = 5616432.

The previous prime is 10530929. The next prime is 10530991. The reversal of 10530945 is 54903501.

It is not a de Polignac number, because 10530945 - 2⁴ = 10530929 is a prime.

It is a super-2 number, since 2×10530945² = 221801605186050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38869 + ... + 39138.

It is an arithmetic number, because the mean of its divisors is an integer number (1170120).

Almost surely, 2^10530945 is an apocalyptic number.

10530945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10530945 is a deficient number, since it is larger than the sum of its proper divisors (8190975).

10530945 is an equidigital number, since it uses as much as digits as its factorization.

10530945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78021 (or 78015 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 10530945 is about 3245.1417534524. The cubic root of 10530945 is about 219.1908638213.

The spelling of 10530945 in words is "ten million, five hundred thirty thousand, nine hundred forty-five".