2571065 has 8 divisors (see below), whose sum is σ = 3526080. Its totient is φ = 1762992.

The previous prime is 2571059. The next prime is 2571067. The reversal of 2571065 is 5601752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2571065 - 2⁶ = 2571001 is a prime.

It is a super-2 number, since 2×2571065² = 13220750468450, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 36695 + ... + 36764.

It is an arithmetic number, because the mean of its divisors is an integer number (440760).

2^2571065 is an apocalyptic number.

It is an amenable number.

2571065 is a deficient number, since it is larger than the sum of its proper divisors (955015).

2571065 is an equidigital number, since it uses as much as digits as its factorization.

2571065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73471.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2571065 is about 1603.4540841571. The cubic root of 2571065 is about 136.9948849920.

The spelling of 2571065 in words is "two million, five hundred seventy-one thousand, sixty-five".