16475449 has 2 divisors, whose sum is σ = 16475450. Its totient is φ = 16475448.

The previous prime is 16475401. The next prime is 16475453. The reversal of 16475449 is 94457461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16345849 + 129600 = 4043^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 16475449 - 2⁹ = 16474937 is a prime.

It is not a weakly prime, because it can be changed into another prime (16425449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8237724 + 8237725.

It is an arithmetic number, because the mean of its divisors is an integer number (8237725).

Almost surely, 2^16475449 is an apocalyptic number.

It is an amenable number.

16475449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16475449 is an equidigital number, since it uses as much as digits as its factorization.

16475449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 16475449 is about 4058.9960581405. The cubic root of 16475449 is about 254.4558381925.

The spelling of 16475449 in words is "sixteen million, four hundred seventy-five thousand, four hundred forty-nine".