1025052089 has 2 divisors, whose sum is σ = 1025052090. Its totient is φ = 1025052088.

The previous prime is 1025052053. The next prime is 1025052163. The reversal of 1025052089 is 9802505201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016525689 + 8526400 = 31883^2 + 2920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025052089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025052019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512526044 + 512526045.

It is an arithmetic number, because the mean of its divisors is an integer number (512526045).

Almost surely, 2^1025052089 is an apocalyptic number.

It is an amenable number.

1025052089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025052089 is an equidigital number, since it uses as much as digits as its factorization.

1025052089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1025052089 is about 32016.4346703377. The cubic root of 1025052089 is about 1008.2819168343.

The spelling of 1025052089 in words is "one billion, twenty-five million, fifty-two thousand, eighty-nine".