4255619 has 2 divisors, whose sum is σ = 4255620. Its totient is φ = 4255618.

The previous prime is 4255609. The next prime is 4255637. The reversal of 4255619 is 9165524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4255619 - 2¹² = 4251523 is a prime.

It is a super-2 number, since 2×4255619² = 36220586146322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4255609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127809 + 2127810.

It is an arithmetic number, because the mean of its divisors is an integer number (2127810).

Almost surely, 2^4255619 is an apocalyptic number.

4255619 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255619 is an equidigital number, since it uses as much as digits as its factorization.

4255619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 4255619 is about 2062.9151703354. The cubic root of 4255619 is about 162.0519444257.

The spelling of 4255619 in words is "four million, two hundred fifty-five thousand, six hundred nineteen".