28567603 has 2 divisors, whose sum is σ = 28567604. Its totient is φ = 28567602.

The previous prime is 28567597. The next prime is 28567619. The reversal of 28567603 is 30676582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28567603 - 2⁵ = 28567571 is a prime.

It is a super-2 number, since 2×28567603² = 1632215882331218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28567673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14283801 + 14283802.

It is an arithmetic number, because the mean of its divisors is an integer number (14283802).

Almost surely, 2^28567603 is an apocalyptic number.

28567603 is a deficient number, since it is larger than the sum of its proper divisors (1).

28567603 is an equidigital number, since it uses as much as digits as its factorization.

28567603 is an evil number, because the sum of its binary digits is even.

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

The square root of 28567603 is about 5344.8669768293. The cubic root of 28567603 is about 305.6970637454.

The spelling of 28567603 in words is "twenty-eight million, five hundred sixty-seven thousand, six hundred three".