1025300281 has 2 divisors, whose sum is σ = 1025300282. Its totient is φ = 1025300280.

The previous prime is 1025300251. The next prime is 1025300323. The reversal of 1025300281 is 1820035201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1025280400 + 19881 = 32020^2 + 141^2 .

It is an emirp because it is prime and its reverse (1820035201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025300281 - 2²⁷ = 891082553 is a prime.

It is a super-2 number, since 2×1025300281² = 2102481332437357922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025300251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512650140 + 512650141.

It is an arithmetic number, because the mean of its divisors is an integer number (512650141).

Almost surely, 2^1025300281 is an apocalyptic number.

It is an amenable number.

1025300281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025300281 is an equidigital number, since it uses as much as digits as its factorization.

1025300281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1025300281 is about 32020.3104450909. The cubic root of 1025300281 is about 1008.3632874344.

Adding to 1025300281 its reverse (1820035201), we get a palindrome (2845335482).

The spelling of 1025300281 in words is "one billion, twenty-five million, three hundred thousand, two hundred eighty-one".