16085261 has 2 divisors, whose sum is σ = 16085262. Its totient is φ = 16085260.

The previous prime is 16085221. The next prime is 16085287. The reversal of 16085261 is 16258061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 133225 = 3994^2 + 365^2 .

It is an emirp because it is prime and its reverse (16258061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16085261 - 2⁶ = 16085197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16085221) 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, 8042630 + 8042631.

It is an arithmetic number, because the mean of its divisors is an integer number (8042631).

Almost surely, 2^16085261 is an apocalyptic number.

It is an amenable number.

16085261 is a deficient number, since it is larger than the sum of its proper divisors (1).

16085261 is an equidigital number, since it uses as much as digits as its factorization.

16085261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 16085261 is about 4010.6434645827. The cubic root of 16085261 is about 252.4310094820.

The spelling of 16085261 in words is "sixteen million, eighty-five thousand, two hundred sixty-one".