2057385 has 32 divisors (see below), whose sum is σ = 3699072. Its totient is φ = 967680.

The previous prime is 2057383. The next prime is 2057387. The reversal of 2057385 is 5837502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2057383) and next prime (2057387).

It is not a de Polignac number, because 2057385 - 2¹ = 2057383 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2057381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5937 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (115596).

2^2057385 is an apocalyptic number.

It is an amenable number.

2057385 is a deficient number, since it is larger than the sum of its proper divisors (1641687).

2057385 is a wasteful number, since it uses less digits than its factorization.

2057385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2057385 is about 1434.3587417379. The cubic root of 2057385 is about 127.1857698372.

It can be divided in two parts, 2057 and 385, that added together give a palindrome (2442).

The spelling of 2057385 in words is "two million, fifty-seven thousand, three hundred eighty-five".