30280525005257 has 2 divisors, whose sum is σ = 30280525005258. Its totient is φ = 30280525005256.

The previous prime is 30280525005229. The next prime is 30280525005271. The reversal of 30280525005257 is 75250052508203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30225485968441 + 55039036816 = 5497771^2 + 234604^2 .

It is a cyclic number.

It is not a de Polignac number, because 30280525005257 - 2³⁰ = 30279451263433 is a prime.

It is not a weakly prime, because it can be changed into another prime (30280525001257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140262502628 + 15140262502629.

It is an arithmetic number, because the mean of its divisors is an integer number (15140262502629).

Almost surely, 2^{30280525005257} is an apocalyptic number.

It is an amenable number.

30280525005257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30280525005257 is an equidigital number, since it uses as much as digits as its factorization.

30280525005257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 30280525005257 in words is "thirty trillion, two hundred eighty billion, five hundred twenty-five million, five thousand, two hundred fifty-seven".