2057526 has 24 divisors (see below), whose sum is σ = 4493424. Its totient is φ = 680400.

The previous prime is 2057483. The next prime is 2057537. The reversal of 2057526 is 6257502.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057526.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2340 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (187226).

2^2057526 is an apocalyptic number.

2057526 is an abundant number, since it is smaller than the sum of its proper divisors (2435898).

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

2057526 is a wasteful number, since it uses less digits than its factorization.

2057526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2057526 is about 1434.4078917797. The cubic root of 2057526 is about 127.1886752704.

The spelling of 2057526 in words is "two million, fifty-seven thousand, five hundred twenty-six".