2057801 has 4 divisors (see below), whose sum is σ = 2101632. Its totient is φ = 2013972.

The previous prime is 2057791. The next prime is 2057807. The reversal of 2057801 is 1087502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2057801 - 2¹⁰ = 2056777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2057807) 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, 21845 + ... + 21938.

It is an arithmetic number, because the mean of its divisors is an integer number (525408).

2^2057801 is an apocalyptic number.

It is an amenable number.

2057801 is a deficient number, since it is larger than the sum of its proper divisors (43831).

2057801 is an equidigital number, since it uses as much as digits as its factorization.

2057801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2057801 is about 1434.5037469453. The cubic root of 2057801 is about 127.1943415135.

Subtracting from 2057801 its reverse (1087502), we obtain a cube (970299 = 99³).

The spelling of 2057801 in words is "two million, fifty-seven thousand, eight hundred one".