2057343 has 4 divisors (see below), whose sum is σ = 2743128. Its totient is φ = 1371560.

The previous prime is 2057333. The next prime is 2057353. The reversal of 2057343 is 3437502.

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 (2057333) and next prime (2057353).

It is a cyclic number.

It is not a de Polignac number, because 2057343 - 2⁸ = 2057087 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057303) 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, 342888 + ... + 342893.

It is an arithmetic number, because the mean of its divisors is an integer number (685782).

2^2057343 is an apocalyptic number.

2057343 is a deficient number, since it is larger than the sum of its proper divisors (685785).

2057343 is an equidigital number, since it uses as much as digits as its factorization.

2057343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685784.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 2057343 is about 1434.3441009744. The cubic root of 2057343 is about 127.1849043634.

The spelling of 2057343 in words is "two million, fifty-seven thousand, three hundred forty-three".