16004291 has 2 divisors, whose sum is σ = 16004292. Its totient is φ = 16004290.

The previous prime is 16004279. The next prime is 16004347. The reversal of 16004291 is 19240061.

It is a happy number.

16004291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16004291 is a prime.

It is a super-2 number, since 2×16004291² = 512274660825362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16024291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8002145 + 8002146.

It is an arithmetic number, because the mean of its divisors is an integer number (8002146).

Almost surely, 2^16004291 is an apocalyptic number.

16004291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16004291 is an equidigital number, since it uses as much as digits as its factorization.

16004291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16004291 is about 4000.5363390426. The cubic root of 16004291 is about 252.0067343040.

The spelling of 16004291 in words is "sixteen million, four thousand, two hundred ninety-one".