16263089 has 2 divisors, whose sum is σ = 16263090. Its totient is φ = 16263088.

The previous prime is 16263053. The next prime is 16263097. The reversal of 16263089 is 98036261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 4804864 = 3385^2 + 2192^2 .

It is an emirp because it is prime and its reverse (98036261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16263089 - 2²⁰ = 15214513 is a prime.

It is not a weakly prime, because it can be changed into another prime (16263029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8131544 + 8131545.

It is an arithmetic number, because the mean of its divisors is an integer number (8131545).

Almost surely, 2^16263089 is an apocalyptic number.

It is an amenable number.

16263089 is a deficient number, since it is larger than the sum of its proper divisors (1).

16263089 is an equidigital number, since it uses as much as digits as its factorization.

16263089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 16263089 is about 4032.7520380008. The cubic root of 16263089 is about 253.3578390806.

The spelling of 16263089 in words is "sixteen million, two hundred sixty-three thousand, eighty-nine".