4785289 has 2 divisors, whose sum is σ = 4785290. Its totient is φ = 4785288.

The previous prime is 4785281. The next prime is 4785293. The reversal of 4785289 is 9825874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3485689 + 1299600 = 1867^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4785289 - 2³ = 4785281 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 7³ + 8 + 5⁴ + 2¹⁰ + 8² + 9⁷ .

It is not a weakly prime, because it can be changed into another prime (4785281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2392644 + 2392645.

It is an arithmetic number, because the mean of its divisors is an integer number (2392645).

Almost surely, 2^4785289 is an apocalyptic number.

It is an amenable number.

4785289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4785289 is an equidigital number, since it uses as much as digits as its factorization.

4785289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 4785289 is about 2187.5303426467. The cubic root of 4785289 is about 168.5140270148.

The spelling of 4785289 in words is "four million, seven hundred eighty-five thousand, two hundred eighty-nine".