16275289 has 2 divisors, whose sum is σ = 16275290. Its totient is φ = 16275288.

The previous prime is 16275269. The next prime is 16275299. The reversal of 16275289 is 98257261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15523600 + 751689 = 3940^2 + 867^2 .

It is an emirp because it is prime and its reverse (98257261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16275289 - 2⁵ = 16275257 is a prime.

It is a zygodrome in base 9.

It is not a weakly prime, because it can be changed into another prime (16275269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8137644 + 8137645.

It is an arithmetic number, because the mean of its divisors is an integer number (8137645).

Almost surely, 2^16275289 is an apocalyptic number.

It is an amenable number.

16275289 is a deficient number, since it is larger than the sum of its proper divisors (1).

16275289 is an equidigital number, since it uses as much as digits as its factorization.

16275289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 16275289 is about 4034.2643691260. The cubic root of 16275289 is about 253.4211766390.

The spelling of 16275289 in words is "sixteen million, two hundred seventy-five thousand, two hundred eighty-nine".