16497473 has 2 divisors, whose sum is σ = 16497474. Its totient is φ = 16497472.

The previous prime is 16497461. The next prime is 16497479. The reversal of 16497473 is 37479461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15737089 + 760384 = 3967^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 16497473 - 2⁶ = 16497409 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16497473.

It is not a weakly prime, because it can be changed into another prime (16497479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8248736 + 8248737.

It is an arithmetic number, because the mean of its divisors is an integer number (8248737).

Almost surely, 2^16497473 is an apocalyptic number.

It is an amenable number.

16497473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16497473 is an equidigital number, since it uses as much as digits as its factorization.

16497473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 16497473 is about 4061.7081382098. The cubic root of 16497473 is about 254.5691712712.

The spelling of 16497473 in words is "sixteen million, four hundred ninety-seven thousand, four hundred seventy-three".