28683101 has 2 divisors, whose sum is σ = 28683102. Its totient is φ = 28683100.

The previous prime is 28683089. The next prime is 28683119. The reversal of 28683101 is 10138682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 857476 = 5275^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28683101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28683601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14341550 + 14341551.

It is an arithmetic number, because the mean of its divisors is an integer number (14341551).

Almost surely, 2^28683101 is an apocalyptic number.

It is an amenable number.

28683101 is a deficient number, since it is larger than the sum of its proper divisors (1).

28683101 is an equidigital number, since it uses as much as digits as its factorization.

28683101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 28683101 is about 5355.6606501906. The cubic root of 28683101 is about 306.1084846101.

The spelling of 28683101 in words is "twenty-eight million, six hundred eighty-three thousand, one hundred one".