Search a number
-
+
16901 is a prime number

16901 has 2 divisors, whose sum is σ = 16902. Its totient is φ = 16900.

The previous prime is 16889. The next prime is 16903. The reversal of 16901 is 10961.

It is a Cunningham number, because it is equal to 1302+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16900 + 1 = 130^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 16901 - 210 = 15877 is a prime.

Together with 16903, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450 + 8451.

It is an arithmetic number, because the mean of its divisors is an integer number (8451).

216901 is an apocalyptic number.

It is an amenable number.

16901 is a deficient number, since it is larger than the sum of its proper divisors (1).

16901 is an equidigital number, since it uses as much as digits as its factorization.

16901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 16901 is about 130.0038460970. The cubic root of 16901 is about 25.6628055885.

The spelling of 16901 in words is "sixteen thousand, nine hundred one".