425033789 has 2 divisors, whose sum is σ = 425033790. Its totient is φ = 425033788.

The previous prime is 425033771. The next prime is 425033827. The reversal of 425033789 is 987330524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404693689 + 20340100 = 20117^2 + 4510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425033789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425033989) 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, 212516894 + 212516895.

It is an arithmetic number, because the mean of its divisors is an integer number (212516895).

Almost surely, 2^425033789 is an apocalyptic number.

It is an amenable number.

425033789 is a deficient number, since it is larger than the sum of its proper divisors (1).

425033789 is an equidigital number, since it uses as much as digits as its factorization.

425033789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 425033789 is about 20616.3476154240. The cubic root of 425033789 is about 751.8672224124.

The spelling of 425033789 in words is "four hundred twenty-five million, thirty-three thousand, seven hundred eighty-nine".