28595345 has 4 divisors (see below), whose sum is σ = 34314420. Its totient is φ = 22876272.

The previous prime is 28595311. The next prime is 28595381. The reversal of 28595345 is 54359582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54359582 = 2 ⋅27179791.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 24364096 = 2057^2 + 4936^2 .

It is a cyclic number.

It is not a de Polignac number, because 28595345 - 2⁸ = 28595089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2859530 + ... + 2859539.

It is an arithmetic number, because the mean of its divisors is an integer number (8578605).

Almost surely, 2^28595345 is an apocalyptic number.

It is an amenable number.

28595345 is a deficient number, since it is larger than the sum of its proper divisors (5719075).

28595345 is an equidigital number, since it uses as much as digits as its factorization.

28595345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719074.

The product of its digits is 216000, while the sum is 41.

The square root of 28595345 is about 5347.4615473138. The cubic root of 28595345 is about 305.7959858734.

The spelling of 28595345 in words is "twenty-eight million, five hundred ninety-five thousand, three hundred forty-five".