2265361 has 4 divisors (see below), whose sum is σ = 2588992. Its totient is φ = 1941732.

The previous prime is 2265331. The next prime is 2265371. The reversal of 2265361 is 1635622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2265361 - 2¹³ = 2257169 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁹ + 6⁵ + 5³ + 3¹³ + 6⁵ + 1 .

It is not an unprimeable number, because it can be changed into a prime (2265331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161805 + ... + 161818.

It is an arithmetic number, because the mean of its divisors is an integer number (647248).

2^2265361 is an apocalyptic number.

It is an amenable number.

2265361 is a deficient number, since it is larger than the sum of its proper divisors (323631).

2265361 is an equidigital number, since it uses as much as digits as its factorization.

2265361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323630.

The product of its digits is 2160, while the sum is 25.

The square root of 2265361 is about 1505.1116237675. Note that the first 3 decimals coincide. The cubic root of 2265361 is about 131.3345951992.

The spelling of 2265361 in words is "two million, two hundred sixty-five thousand, three hundred sixty-one".