2057635 has 4 divisors (see below), whose sum is σ = 2469168. Its totient is φ = 1646104.

The previous prime is 2057633. The next prime is 2057639. The reversal of 2057635 is 5367502.

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 2057635 - 2¹ = 2057633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205759 + ... + 205768.

It is an arithmetic number, because the mean of its divisors is an integer number (617292).

2^2057635 is an apocalyptic number.

2057635 is a deficient number, since it is larger than the sum of its proper divisors (411533).

2057635 is an equidigital number, since it uses as much as digits as its factorization.

2057635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411532.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2057635 is about 1434.4458860480. The cubic root of 2057635 is about 127.1909212235.

The spelling of 2057635 in words is "two million, fifty-seven thousand, six hundred thirty-five".