28460563 has 4 divisors (see below), whose sum is σ = 28861488. Its totient is φ = 28059640.

The previous prime is 28460561. The next prime is 28460569. The reversal of 28460563 is 36506482.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28460563 - 2¹ = 28460561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28460561) by changing a digit.

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, 200356 + ... + 200497.

It is an arithmetic number, because the mean of its divisors is an integer number (7215372).

Almost surely, 2^28460563 is an apocalyptic number.

28460563 is a deficient number, since it is larger than the sum of its proper divisors (400925).

28460563 is an equidigital number, since it uses as much as digits as its factorization.

28460563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400924.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 28460563 is about 5334.8442339022. The cubic root of 28460563 is about 305.3147802725.

The spelling of 28460563 in words is "twenty-eight million, four hundred sixty thousand, five hundred sixty-three".