2571680 has 24 divisors (see below), whose sum is σ = 6075972. Its totient is φ = 1028608.

The previous prime is 2571671. The next prime is 2571697. The reversal of 2571680 is 861752.

2571680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 150544 = 1556^2 + 388^2 .

It is a super-2 number, since 2×2571680² = 13227076044800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7877 + ... + 8196.

2^2571680 is an apocalyptic number.

2571680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2571680 is an abundant number, since it is smaller than the sum of its proper divisors (3504292).

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

2571680 is a wasteful number, since it uses less digits than its factorization.

2571680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088 (or 16080 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2571680 is about 1603.6458461892. The cubic root of 2571680 is about 137.0058072023.

The spelling of 2571680 in words is "two million, five hundred seventy-one thousand, six hundred eighty".