28613003 has 2 divisors, whose sum is σ = 28613004. Its totient is φ = 28613002.

The previous prime is 28612999. The next prime is 28613027. The reversal of 28613003 is 30031682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28613003 - 2² = 28612999 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28613003.

It is not a weakly prime, because it can be changed into another prime (28613063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14306501 + 14306502.

It is an arithmetic number, because the mean of its divisors is an integer number (14306502).

Almost surely, 2^28613003 is an apocalyptic number.

28613003 is a deficient number, since it is larger than the sum of its proper divisors (1).

28613003 is an equidigital number, since it uses as much as digits as its factorization.

28613003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 28613003 is about 5349.1123562700. The cubic root of 28613003 is about 305.8589172634.

Adding to 28613003 its reverse (30031682), we get a palindrome (58644685).

The spelling of 28613003 in words is "twenty-eight million, six hundred thirteen thousand, three".