2905265 has 16 divisors (see below), whose sum is σ = 3848256. Its totient is φ = 2088000.

The previous prime is 2905241. The next prime is 2905267. The reversal of 2905265 is 5625092.

It is a de Polignac number, because none of the positive numbers 2^k-2905265 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2905267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5294 + ... + 5816.

It is an arithmetic number, because the mean of its divisors is an integer number (240516).

2^2905265 is an apocalyptic number.

It is an amenable number.

2905265 is a deficient number, since it is larger than the sum of its proper divisors (942991).

2905265 is a wasteful number, since it uses less digits than its factorization.

2905265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2905265 is about 1704.4837928241. The cubic root of 2905265 is about 142.6905627377.

It can be divided in two parts, 290 and 5265, that added together give a palindrome (5555).

The spelling of 2905265 in words is "two million, nine hundred five thousand, two hundred sixty-five".