2265745 has 8 divisors (see below), whose sum is σ = 2730816. Its totient is φ = 1804656.

The previous prime is 2265737. The next prime is 2265749. The reversal of 2265745 is 5475622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2265745 - 2³ = 2265737 is a prime.

It is a super-5 number, since 5×2265745⁵ (a number of 33 digits) contains 55555 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2²¹ + 6 + 5⁷ + 7² + 4⁶ + 5⁷ .

It is a Duffinian number.

2265745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2265749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (341352).

2^2265745 is an apocalyptic number.

It is an amenable number.

2265745 is a deficient number, since it is larger than the sum of its proper divisors (465071).

2265745 is a wasteful number, since it uses less digits than its factorization.

2265745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 16800, while the sum is 31.

The square root of 2265745 is about 1505.2391836516. The cubic root of 2265745 is about 131.3420155964.

The spelling of 2265745 in words is "two million, two hundred sixty-five thousand, seven hundred forty-five".