2056919 has 2 divisors, whose sum is σ = 2056920. Its totient is φ = 2056918.

The previous prime is 2056909. The next prime is 2056927. The reversal of 2056919 is 9196502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056919 - 2⁴ = 2056903 is a prime.

It is a super-2 number, since 2×2056919² = 8461831545122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028459 + 1028460.

It is an arithmetic number, because the mean of its divisors is an integer number (1028460).

2^2056919 is an apocalyptic number.

2056919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056919 is an equidigital number, since it uses as much as digits as its factorization.

2056919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2056919 is about 1434.1962906102. The cubic root of 2056919 is about 127.1761665392.

The spelling of 2056919 in words is "two million, fifty-six thousand, nine hundred nineteen".