28383161 has 2 divisors, whose sum is σ = 28383162. Its totient is φ = 28383160.

The previous prime is 28383133. The next prime is 28383191. The reversal of 28383161 is 16138382.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25441936 + 2941225 = 5044^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 28383161 - 2⁶ = 28383097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28383101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14191580 + 14191581.

It is an arithmetic number, because the mean of its divisors is an integer number (14191581).

Almost surely, 2^28383161 is an apocalyptic number.

It is an amenable number.

28383161 is a deficient number, since it is larger than the sum of its proper divisors (1).

28383161 is an equidigital number, since it uses as much as digits as its factorization.

28383161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 28383161 is about 5327.5849125096. The cubic root of 28383161 is about 305.0377486199.

The spelling of 28383161 in words is "twenty-eight million, three hundred eighty-three thousand, one hundred sixty-one".