2570065 has 4 divisors (see below), whose sum is σ = 3084084. Its totient is φ = 2056048.

The previous prime is 2570047. The next prime is 2570069. The reversal of 2570065 is 5600752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 1252161 = 1148^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2570065 - 2⁷ = 2569937 is a prime.

It is a Duffinian number.

2570065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2570069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257002 + ... + 257011.

It is an arithmetic number, because the mean of its divisors is an integer number (771021).

2^2570065 is an apocalyptic number.

It is an amenable number.

2570065 is a deficient number, since it is larger than the sum of its proper divisors (514019).

2570065 is an equidigital number, since it uses as much as digits as its factorization.

2570065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514018.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2570065 is about 1603.1422270030. The cubic root of 2570065 is about 136.9771215814.

The spelling of 2570065 in words is "two million, five hundred seventy thousand, sixty-five".