8425289 has 2 divisors, whose sum is σ = 8425290. Its totient is φ = 8425288.

The previous prime is 8425279. The next prime is 8425309. The reversal of 8425289 is 9825248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7333264 + 1092025 = 2708^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 8425289 - 2²⁰ = 7376713 is a prime.

It is not a weakly prime, because it can be changed into another prime (8425279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212644 + 4212645.

It is an arithmetic number, because the mean of its divisors is an integer number (4212645).

Almost surely, 2^8425289 is an apocalyptic number.

It is an amenable number.

8425289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425289 is an equidigital number, since it uses as much as digits as its factorization.

8425289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 8425289 is about 2902.6348375226. The cubic root of 8425289 is about 203.4830641891.

The spelling of 8425289 in words is "eight million, four hundred twenty-five thousand, two hundred eighty-nine".