16475813 has 2 divisors, whose sum is σ = 16475814. Its totient is φ = 16475812.

The previous prime is 16475779. The next prime is 16475861. The reversal of 16475813 is 31857461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15864289 + 611524 = 3983^2 + 782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16475813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16475113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8237906 + 8237907.

It is an arithmetic number, because the mean of its divisors is an integer number (8237907).

Almost surely, 2^16475813 is an apocalyptic number.

It is an amenable number.

16475813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16475813 is an equidigital number, since it uses as much as digits as its factorization.

16475813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 16475813 is about 4059.0408965666. The cubic root of 16475813 is about 254.4577121170.

The spelling of 16475813 in words is "sixteen million, four hundred seventy-five thousand, eight hundred thirteen".