2057538 has 16 divisors (see below), whose sum is σ = 4703040. Its totient is φ = 587856.

The previous prime is 2057537. The next prime is 2057543. The reversal of 2057538 is 8357502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2057537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24453 + ... + 24536.

It is an arithmetic number, because the mean of its divisors is an integer number (293940).

2^2057538 is an apocalyptic number.

2057538 is an abundant number, since it is smaller than the sum of its proper divisors (2645502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057538 is a wasteful number, since it uses less digits than its factorization.

2057538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001.

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

The square root of 2057538 is about 1434.4120746843. The cubic root of 2057538 is about 127.1889225352.

It can be divided in two parts, 205753 and 8, that added together give a triangular number (205761 = T₆₄₁).

The spelling of 2057538 in words is "two million, fifty-seven thousand, five hundred thirty-eight".