16495001 has 2 divisors, whose sum is σ = 16495002. Its totient is φ = 16495000.

The previous prime is 16494943. The next prime is 16495019. The reversal of 16495001 is 10059461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 6255001 = 3200^2 + 2501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16495001 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16495051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247500 + 8247501.

It is an arithmetic number, because the mean of its divisors is an integer number (8247501).

Almost surely, 2^16495001 is an apocalyptic number.

It is an amenable number.

16495001 is a deficient number, since it is larger than the sum of its proper divisors (1).

16495001 is an equidigital number, since it uses as much as digits as its factorization.

16495001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16495001 is about 4061.4038213406. The cubic root of 16495001 is about 254.5564556586.

The spelling of 16495001 in words is "sixteen million, four hundred ninety-five thousand, one".