1025442163 has 2 divisors, whose sum is σ = 1025442164. Its totient is φ = 1025442162.

The previous prime is 1025442151. The next prime is 1025442181. The reversal of 1025442163 is 3612445201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025442163 - 2²⁵ = 991887731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025442263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512721081 + 512721082.

It is an arithmetic number, because the mean of its divisors is an integer number (512721082).

Almost surely, 2^1025442163 is an apocalyptic number.

1025442163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025442163 is an equidigital number, since it uses as much as digits as its factorization.

1025442163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1025442163 is about 32022.5258685195. The cubic root of 1025442163 is about 1008.4097980368.

Adding to 1025442163 its reverse (3612445201), we get a palindrome (4637887364).

The spelling of 1025442163 in words is "one billion, twenty-five million, four hundred forty-two thousand, one hundred sixty-three".