4425989 has 2 divisors, whose sum is σ = 4425990. Its totient is φ = 4425988.

The previous prime is 4425983. The next prime is 4425997. The reversal of 4425989 is 9895244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 1677025 = 1658^2 + 1295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4425989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4425983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212994 + 2212995.

It is an arithmetic number, because the mean of its divisors is an integer number (2212995).

Almost surely, 2^4425989 is an apocalyptic number.

It is an amenable number.

4425989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425989 is an equidigital number, since it uses as much as digits as its factorization.

4425989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 4425989 is about 2103.8034604021. The cubic root of 4425989 is about 164.1862473603.

The spelling of 4425989 in words is "four million, four hundred twenty-five thousand, nine hundred eighty-nine".