28982539 has 2 divisors, whose sum is σ = 28982540. Its totient is φ = 28982538.

The previous prime is 28982519. The next prime is 28982557. The reversal of 28982539 is 93528982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28982539 - 2¹⁵ = 28949771 is a prime.

It is not a weakly prime, because it can be changed into another prime (28982519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14491269 + 14491270.

It is an arithmetic number, because the mean of its divisors is an integer number (14491270).

Almost surely, 2^28982539 is an apocalyptic number.

28982539 is a deficient number, since it is larger than the sum of its proper divisors (1).

28982539 is an equidigital number, since it uses as much as digits as its factorization.

28982539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 28982539 is about 5383.5433498765. The cubic root of 28982539 is about 307.1700084370.

It can be divided in two parts, 289 and 82539, that added together give a palindrome (82828).

The spelling of 28982539 in words is "twenty-eight million, nine hundred eighty-two thousand, five hundred thirty-nine".