2528065 has 4 divisors (see below), whose sum is σ = 3033684. Its totient is φ = 2022448.

The previous prime is 2528059. The next prime is 2528069. The reversal of 2528065 is 5608252.

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 451584 + 2076481 = 672^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 2528065 - 2⁵ = 2528033 is a prime.

It is a super-2 number, since 2×2528065² = 12782225288450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528069) 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, 252802 + ... + 252811.

It is an arithmetic number, because the mean of its divisors is an integer number (758421).

2^2528065 is an apocalyptic number.

It is an amenable number.

2528065 is a deficient number, since it is larger than the sum of its proper divisors (505619).

2528065 is an equidigital number, since it uses as much as digits as its factorization.

2528065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505618.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2528065 is about 1589.9889936726. The cubic root of 2528065 is about 136.2268596899.

The spelling of 2528065 in words is "two million, five hundred twenty-eight thousand, sixty-five".