1025432113 has 2 divisors, whose sum is σ = 1025432114. Its totient is φ = 1025432112.

The previous prime is 1025432081. The next prime is 1025432159. The reversal of 1025432113 is 3112345201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024448049 + 984064 = 32007^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025432113 - 2⁵ = 1025432081 is a prime.

It is a super-2 number, since 2×1025432113² = 2103022036743289538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025433113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512716056 + 512716057.

It is an arithmetic number, because the mean of its divisors is an integer number (512716057).

Almost surely, 2^1025432113 is an apocalyptic number.

It is an amenable number.

1025432113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025432113 is an equidigital number, since it uses as much as digits as its factorization.

1025432113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1025432113 is about 32022.3689473468. The cubic root of 1025432113 is about 1008.4065036688.

Adding to 1025432113 its reverse (3112345201), we get a palindrome (4137777314).

The spelling of 1025432113 in words is "one billion, twenty-five million, four hundred thirty-two thousand, one hundred thirteen".