4775819 has 2 divisors, whose sum is σ = 4775820. Its totient is φ = 4775818.

The previous prime is 4775809. The next prime is 4775839. The reversal of 4775819 is 9185774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4775819 - 2¹⁶ = 4710283 is a prime.

It is a super-2 number, since 2×4775819² = 45616894241522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4775809) 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, 2387909 + 2387910.

It is an arithmetic number, because the mean of its divisors is an integer number (2387910).

Almost surely, 2^4775819 is an apocalyptic number.

4775819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4775819 is an equidigital number, since it uses as much as digits as its factorization.

4775819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 41.

The square root of 4775819 is about 2185.3647292843. The cubic root of 4775819 is about 168.4027915388.

The spelling of 4775819 in words is "four million, seven hundred seventy-five thousand, eight hundred nineteen".