2005265 has 4 divisors (see below), whose sum is σ = 2406324. Its totient is φ = 1604208.

The previous prime is 2005261. The next prime is 2005277. The reversal of 2005265 is 5625002.

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 524176 + 1481089 = 724^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005265 - 2² = 2005261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005261) 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, 200522 + ... + 200531.

It is an arithmetic number, because the mean of its divisors is an integer number (601581).

2^2005265 is an apocalyptic number.

It is an amenable number.

2005265 is a deficient number, since it is larger than the sum of its proper divisors (401059).

2005265 is an equidigital number, since it uses as much as digits as its factorization.

2005265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401058.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2005265 is about 1416.0737975120. The cubic root of 2005265 is about 126.1025661885.

The spelling of 2005265 in words is "two million, five thousand, two hundred sixty-five".