2530632281 has 2 divisors, whose sum is σ = 2530632282. Its totient is φ = 2530632280.

The previous prime is 2530632271. The next prime is 2530632311. The reversal of 2530632281 is 1822360352.

2530632281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1847280400 + 683351881 = 42980^2 + 26141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530632281 is a prime.

It is a super-2 number, since 2×2530632281² = 12808199483278525922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2530632271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265316140 + 1265316141.

It is an arithmetic number, because the mean of its divisors is an integer number (1265316141).

Almost surely, 2^2530632281 is an apocalyptic number.

It is an amenable number.

2530632281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530632281 is an equidigital number, since it uses as much as digits as its factorization.

2530632281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2530632281 is about 50305.3901783894. The cubic root of 2530632281 is about 1362.7295743786.

The spelling of 2530632281 in words is "two billion, five hundred thirty million, six hundred thirty-two thousand, two hundred eighty-one".