2475565 has 4 divisors (see below), whose sum is σ = 2970684. Its totient is φ = 1980448.

The previous prime is 2475547. The next prime is 2475587. The reversal of 2475565 is 5655742.

2475565 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 617796 + 1857769 = 786^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2475565 - 2⁷ = 2475437 is a prime.

It is a super-2 number, since 2×2475565² = 12256844138450, which contains 22 as substring.

It is a Duffinian number.

2475565 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2475565.

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, 247552 + ... + 247561.

It is an arithmetic number, because the mean of its divisors is an integer number (742671).

2^2475565 is an apocalyptic number.

It is an amenable number.

2475565 is a deficient number, since it is larger than the sum of its proper divisors (495119).

2475565 is an equidigital number, since it uses as much as digits as its factorization.

2475565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495118.

The product of its digits is 42000, while the sum is 34.

The square root of 2475565 is about 1573.3928307959. The cubic root of 2475565 is about 135.2772537081.

It can be divided in two parts, 24 and 75565, that multiplied together give a triangular number (1813560 = T₁₉₀₄).

The spelling of 2475565 in words is "two million, four hundred seventy-five thousand, five hundred sixty-five".