4057019 has 2 divisors, whose sum is σ = 4057020. Its totient is φ = 4057018.

The previous prime is 4056989. The next prime is 4057021. The reversal of 4057019 is 9107504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4057019 is a prime.

It is a super-2 number, since 2×4057019² = 32918806332722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4057021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4050019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028509 + 2028510.

It is an arithmetic number, because the mean of its divisors is an integer number (2028510).

Almost surely, 2^4057019 is an apocalyptic number.

4057019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057019 is an equidigital number, since it uses as much as digits as its factorization.

4057019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 4057019 is about 2014.2043093986. The cubic root of 4057019 is about 159.4908161888.

The spelling of 4057019 in words is "four million, fifty-seven thousand, nineteen".