1025024281 has 2 divisors, whose sum is σ = 1025024282. Its totient is φ = 1025024280.

The previous prime is 1025024249. The next prime is 1025024291. The reversal of 1025024281 is 1824205201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1025024256 + 25 = 32016^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025024281 - 2⁵ = 1025024249 is a prime.

It is a super-2 number, since 2×1025024281² = 2101349553279133922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025024291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512512140 + 512512141.

It is an arithmetic number, because the mean of its divisors is an integer number (512512141).

Almost surely, 2^1025024281 is an apocalyptic number.

It is an amenable number.

1025024281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025024281 is an equidigital number, since it uses as much as digits as its factorization.

1025024281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1025024281 is about 32016.0003904298. Note that the first 3 decimals coincide. The cubic root of 1025024281 is about 1008.2727990677.

Subtracting from 1025024281 its sum of digits (25), we obtain a square (1025024256 = 32016²).

Adding to 1025024281 its reverse (1824205201), we get a palindrome (2849229482).

The spelling of 1025024281 in words is "one billion, twenty-five million, twenty-four thousand, two hundred eighty-one".