28046563 has 2 divisors, whose sum is σ = 28046564. Its totient is φ = 28046562.

The previous prime is 28046561. The next prime is 28046569. The reversal of 28046563 is 36564082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28046563 - 2¹ = 28046561 is a prime.

It is a super-2 number, since 2×28046563² = 1573219392225938, which contains 22 as substring.

Together with 28046561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28046561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14023281 + 14023282.

It is an arithmetic number, because the mean of its divisors is an integer number (14023282).

Almost surely, 2^28046563 is an apocalyptic number.

28046563 is a deficient number, since it is larger than the sum of its proper divisors (1).

28046563 is an equidigital number, since it uses as much as digits as its factorization.

28046563 is an evil number, because the sum of its binary digits is even.

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

The square root of 28046563 is about 5295.9005844143. The cubic root of 28046563 is about 303.8271286014.

The spelling of 28046563 in words is "twenty-eight million, forty-six thousand, five hundred sixty-three".