28607563 has 2 divisors, whose sum is σ = 28607564. Its totient is φ = 28607562.

The previous prime is 28607519. The next prime is 28607567. The reversal of 28607563 is 36570682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28607563 - 2¹³ = 28599371 is a prime.

It is not a weakly prime, because it can be changed into another prime (28607567) 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 as a sum of consecutive naturals, namely, 14303781 + 14303782.

It is an arithmetic number, because the mean of its divisors is an integer number (14303782).

Almost surely, 2^28607563 is an apocalyptic number.

28607563 is a deficient number, since it is larger than the sum of its proper divisors (1).

28607563 is an equidigital number, since it uses as much as digits as its factorization.

28607563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 28607563 is about 5348.6038365166. The cubic root of 28607563 is about 305.8395323941.

The spelling of 28607563 in words is "twenty-eight million, six hundred seven thousand, five hundred sixty-three".