16980541 has 2 divisors, whose sum is σ = 16980542. Its totient is φ = 16980540.

The previous prime is 16980527. The next prime is 16980559. The reversal of 16980541 is 14508961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 5616900 = 3371^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 16980541 - 2¹⁵ = 16947773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16980497 and 16980506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16980641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8490270 + 8490271.

It is an arithmetic number, because the mean of its divisors is an integer number (8490271).

Almost surely, 2^16980541 is an apocalyptic number.

It is an amenable number.

16980541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16980541 is an equidigital number, since it uses as much as digits as its factorization.

16980541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 16980541 is about 4120.7451995968. The cubic root of 16980541 is about 257.0300146124.

The spelling of 16980541 in words is "sixteen million, nine hundred eighty thousand, five hundred forty-one".