16945241 has 2 divisors, whose sum is σ = 16945242. Its totient is φ = 16945240.

The previous prime is 16945219. The next prime is 16945267. The reversal of 16945241 is 14254961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 2238016 = 3835^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 16945241 - 2¹⁰ = 16944217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16945198 and 16945207.

It is not a weakly prime, because it can be changed into another prime (16945211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8472620 + 8472621.

It is an arithmetic number, because the mean of its divisors is an integer number (8472621).

Almost surely, 2^16945241 is an apocalyptic number.

It is an amenable number.

16945241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16945241 is an equidigital number, since it uses as much as digits as its factorization.

16945241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 16945241 is about 4116.4597653809. The cubic root of 16945241 is about 256.8517820886.

The spelling of 16945241 in words is "sixteen million, nine hundred forty-five thousand, two hundred forty-one".