2571064 has 8 divisors (see below), whose sum is σ = 4820760. Its totient is φ = 1285528.

The previous prime is 2571059. The next prime is 2571067. The reversal of 2571064 is 4601752.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2571064² = 13220740184192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160684 + ... + 160699.

It is an arithmetic number, because the mean of its divisors is an integer number (602595).

2^2571064 is an apocalyptic number.

It is an amenable number.

2571064 is a deficient number, since it is larger than the sum of its proper divisors (2249696).

2571064 is a wasteful number, since it uses less digits than its factorization.

2571064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321389 (or 321385 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2571064 is about 1603.4537723302. The cubic root of 2571064 is about 136.9948672309.

The spelling of 2571064 in words is "two million, five hundred seventy-one thousand, sixty-four".