2057520 has 40 divisors (see below), whose sum is σ = 6379056. Its totient is φ = 548608.

The previous prime is 2057483. The next prime is 2057537. The reversal of 2057520 is 257502.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 4047 + ... + 4526.

2^2057520 is an apocalyptic number.

2057520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057520 is an abundant number, since it is smaller than the sum of its proper divisors (4321536).

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

2057520 is a wasteful number, since it uses less digits than its factorization.

2057520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2057520 is about 1434.4058003229. The cubic root of 2057520 is about 127.1885516377.

The spelling of 2057520 in words is "two million, fifty-seven thousand, five hundred twenty".