28056310253 has 2 divisors, whose sum is σ = 28056310254. Its totient is φ = 28056310252.

The previous prime is 28056310231. The next prime is 28056310327. The reversal of 28056310253 is 35201365082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23687364649 + 4368945604 = 153907^2 + 66098^2 .

It is a cyclic number.

It is not a de Polignac number, because 28056310253 - 2³⁰ = 26982568429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28056310223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028155126 + 14028155127.

It is an arithmetic number, because the mean of its divisors is an integer number (14028155127).

Almost surely, 2^28056310253 is an apocalyptic number.

It is an amenable number.

28056310253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28056310253 is an equidigital number, since it uses as much as digits as its factorization.

28056310253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 28056310253 in words is "twenty-eight billion, fifty-six million, three hundred ten thousand, two hundred fifty-three".