28583141 has 2 divisors, whose sum is σ = 28583142. Its totient is φ = 28583140.

The previous prime is 28583131. The next prime is 28583143. The reversal of 28583141 is 14138582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28398241 + 184900 = 5329^2 + 430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28583141 is a prime.

Together with 28583143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28583098 and 28583107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28583143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14291570 + 14291571.

It is an arithmetic number, because the mean of its divisors is an integer number (14291571).

Almost surely, 2^28583141 is an apocalyptic number.

It is an amenable number.

28583141 is a deficient number, since it is larger than the sum of its proper divisors (1).

28583141 is an equidigital number, since it uses as much as digits as its factorization.

28583141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The square root of 28583141 is about 5346.3203233626. The cubic root of 28583141 is about 305.7524768658.

The spelling of 28583141 in words is "twenty-eight million, five hundred eighty-three thousand, one hundred forty-one".