10971545 has 16 divisors (see below), whose sum is σ = 15014160. Its totient is φ = 7624704.

The previous prime is 10971523. The next prime is 10971547. The reversal of 10971545 is 54517901.

It can be written as a sum of positive squares in 8 ways, for example, as 808201 + 10163344 = 899^2 + 3188^2 .

It is not a de Polignac number, because 10971545 - 2¹⁸ = 10709401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10971547) 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 15 ways as a sum of consecutive naturals, for example, 3860 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (938385).

Almost surely, 2^10971545 is an apocalyptic number.

It is an amenable number.

10971545 is a deficient number, since it is larger than the sum of its proper divisors (4042615).

10971545 is a wasteful number, since it uses less digits than its factorization.

10971545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 10971545 is about 3312.3322599039. The cubic root of 10971545 is about 222.2060757250.

The spelling of 10971545 in words is "ten million, nine hundred seventy-one thousand, five hundred forty-five".