10216549 has 6 divisors (see below), whose sum is σ = 11884614. Its totient is φ = 8757000.

The previous prime is 10216543. The next prime is 10216561. The reversal of 10216549 is 94561201.

It can be written as a sum of positive squares in only one way, i.e., 8236900 + 1979649 = 2870^2 + 1407^2 .

It is not a de Polignac number, because 10216549 - 2¹⁵ = 10183781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10216543) 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 5 ways as a sum of consecutive naturals, for example, 104202 + ... + 104299.

It is an arithmetic number, because the mean of its divisors is an integer number (1980769).

Almost surely, 2^10216549 is an apocalyptic number.

It is an amenable number.

10216549 is a deficient number, since it is larger than the sum of its proper divisors (1668065).

10216549 is an equidigital number, since it uses as much as digits as its factorization.

10216549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208515 (or 208508 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10216549 is about 3196.3336809539. Note that the first 3 decimals coincide. The cubic root of 10216549 is about 216.9875122887.

The spelling of 10216549 in words is "ten million, two hundred sixteen thousand, five hundred forty-nine".