2057919 has 4 divisors (see below), whose sum is σ = 2743896. Its totient is φ = 1371944.

The previous prime is 2057917. The next prime is 2057921. The reversal of 2057919 is 9197502.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2057917) and next prime (2057921).

It is a cyclic number.

It is not a de Polignac number, because 2057919 - 2¹ = 2057917 is a prime.

It is a super-2 number, since 2×2057919² = 8470061221122, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342984 + ... + 342989.

It is an arithmetic number, because the mean of its divisors is an integer number (685974).

2^2057919 is an apocalyptic number.

2057919 is a deficient number, since it is larger than the sum of its proper divisors (685977).

2057919 is an equidigital number, since it uses as much as digits as its factorization.

2057919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685976.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2057919 is about 1434.5448755616. The cubic root of 2057919 is about 127.1967726921.

The spelling of 2057919 in words is "two million, fifty-seven thousand, nine hundred nineteen".