28613017 has 4 divisors (see below), whose sum is σ = 29278480. Its totient is φ = 27947556.

The previous prime is 28613003. The next prime is 28613027. The reversal of 28613017 is 71031682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28613017 - 2¹¹ = 28610969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28613027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332667 + ... + 332752.

It is an arithmetic number, because the mean of its divisors is an integer number (7319620).

Almost surely, 2^28613017 is an apocalyptic number.

It is an amenable number.

28613017 is a deficient number, since it is larger than the sum of its proper divisors (665463).

28613017 is an equidigital number, since it uses as much as digits as its factorization.

28613017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665462.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 28613017 is about 5349.1136648981. The cubic root of 28613017 is about 305.8589671478.

Adding to 28613017 its reverse (71031682), we get a palindrome (99644699).

The spelling of 28613017 in words is "twenty-eight million, six hundred thirteen thousand, seventeen".