2475665 has 4 divisors (see below), whose sum is σ = 2970804. Its totient is φ = 1980528.

The previous prime is 2475653. The next prime is 2475673. The reversal of 2475665 is 5665742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5665742 = 2 ⋅2832871.

It can be written as a sum of positive squares in 2 ways, for example, as 1597696 + 877969 = 1264^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2475665 - 2²⁰ = 1427089 is a prime.

It is a super-2 number, since 2×2475665² = 12257834384450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 4⁹ + 7⁵ + 5⁵ + 6⁶ + 6⁶ + 5⁵ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247562 + ... + 247571.

It is an arithmetic number, because the mean of its divisors is an integer number (742701).

2^2475665 is an apocalyptic number.

It is an amenable number.

2475665 is a deficient number, since it is larger than the sum of its proper divisors (495139).

2475665 is an equidigital number, since it uses as much as digits as its factorization.

2475665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495138.

The product of its digits is 50400, while the sum is 35.

The square root of 2475665 is about 1573.4246089343. The cubic root of 2475665 is about 135.2790751837.

The spelling of 2475665 in words is "two million, four hundred seventy-five thousand, six hundred sixty-five".