2265089 has 4 divisors (see below), whose sum is σ = 2278356. Its totient is φ = 2251824.

The previous prime is 2265079. The next prime is 2265101. The reversal of 2265089 is 9805622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9805622 = 2 ⋅4902811.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 211600 = 1433^2 + 460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2265089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6374 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (569589).

It is a Proth number, since it is equal to 553 ⋅ 2¹² + 1 and 553 < 2¹².

2^2265089 is an apocalyptic number.

It is an amenable number.

2265089 is a deficient number, since it is larger than the sum of its proper divisors (13267).

2265089 is a wasteful number, since it uses less digits than its factorization.

2265089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13266.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2265089 is about 1505.0212623083. The cubic root of 2265089 is about 131.3293385771.

The spelling of 2265089 in words is "two million, two hundred sixty-five thousand, eighty-nine".