2057903 has 4 divisors (see below), whose sum is σ = 2113560. Its totient is φ = 2002248.

The previous prime is 2057897. The next prime is 2057917. The reversal of 2057903 is 3097502.

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

It is a cyclic number.

It is not a de Polignac number, because 2057903 - 2¹⁴ = 2041519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057933) 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, 27773 + ... + 27846.

It is an arithmetic number, because the mean of its divisors is an integer number (528390).

2^2057903 is an apocalyptic number.

2057903 is a deficient number, since it is larger than the sum of its proper divisors (55657).

2057903 is an equidigital number, since it uses as much as digits as its factorization.

2057903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55656.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2057903 is about 1434.5392988692. The cubic root of 2057903 is about 127.1964430462.

The spelling of 2057903 in words is "two million, fifty-seven thousand, nine hundred three".