2571066 has 12 divisors (see below), whose sum is σ = 5570682. Its totient is φ = 857016.

The previous prime is 2571059. The next prime is 2571067. The reversal of 2571066 is 6601752.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 184041 = 1545^2 + 429^2 .

It is a super-2 number, since 2×2571066² = 13220760752712, which contains 22 as substring.

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

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 5 ways as a sum of consecutive naturals, for example, 71401 + ... + 71436.

2^2571066 is an apocalyptic number.

2571066 is an abundant number, since it is smaller than the sum of its proper divisors (2999616).

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

2571066 is a wasteful number, since it uses less digits than its factorization.

2571066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142845 (or 142842 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2571066 is about 1603.4543959839. The cubic root of 2571066 is about 136.9949027531.

The spelling of 2571066 in words is "two million, five hundred seventy-one thousand, sixty-six".