28030052507 has 2 divisors, whose sum is σ = 28030052508. Its totient is φ = 28030052506.

The previous prime is 28030052503. The next prime is 28030052509. The reversal of 28030052507 is 70525003082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28030052507 - 2² = 28030052503 is a prime.

Together with 28030052509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28030052503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015026253 + 14015026254.

It is an arithmetic number, because the mean of its divisors is an integer number (14015026254).

Almost surely, 2^28030052507 is an apocalyptic number.

28030052507 is a deficient number, since it is larger than the sum of its proper divisors (1).

28030052507 is an equidigital number, since it uses as much as digits as its factorization.

28030052507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 28030052507 its reverse (70525003082), we get a palindrome (98555055589).

The spelling of 28030052507 in words is "twenty-eight billion, thirty million, fifty-two thousand, five hundred seven".