2057567 has 4 divisors (see below), whose sum is σ = 2165880. Its totient is φ = 1949256.

The previous prime is 2057543. The next prime is 2057569. The reversal of 2057567 is 7657502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7657502 = 2 ⋅3828751.

It is a cyclic number.

It is not a de Polignac number, because 2057567 - 2¹⁴ = 2041183 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 (2057569) 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, 54128 + ... + 54165.

It is an arithmetic number, because the mean of its divisors is an integer number (541470).

2^2057567 is an apocalyptic number.

2057567 is a deficient number, since it is larger than the sum of its proper divisors (108313).

2057567 is a wasteful number, since it uses less digits than its factorization.

2057567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108312.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2057567 is about 1434.4221833198. The cubic root of 2057567 is about 127.1895200878.

The spelling of 2057567 in words is "two million, fifty-seven thousand, five hundred sixty-seven".