2573965 has 4 divisors (see below), whose sum is σ = 3088764. Its totient is φ = 2059168.

The previous prime is 2573957. The next prime is 2573983. The reversal of 2573965 is 5693752.

2573965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 826281 + 1747684 = 909^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573965 - 2³ = 2573957 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁷ + 7⁵ + 3⁵ + 9² + 6⁴ + 5⁹ .

It is a Duffinian number.

2573965 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257392 + ... + 257401.

It is an arithmetic number, because the mean of its divisors is an integer number (772191).

2^2573965 is an apocalyptic number.

It is an amenable number.

2573965 is a deficient number, since it is larger than the sum of its proper divisors (514799).

2573965 is an equidigital number, since it uses as much as digits as its factorization.

2573965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514798.

The product of its digits is 56700, while the sum is 37.

The square root of 2573965 is about 1604.3581271025. The cubic root of 2573965 is about 137.0463728501.

The spelling of 2573965 in words is "two million, five hundred seventy-three thousand, nine hundred sixty-five".