2502305 has 16 divisors (see below), whose sum is σ = 3268944. Its totient is φ = 1827840.

The previous prime is 2502301. The next prime is 2502317. The reversal of 2502305 is 5032052.

It can be written as a sum of positive squares in 8 ways, for example, as 43681 + 2458624 = 209^2 + 1568^2 .

It is not a de Polignac number, because 2502305 - 2² = 2502301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2502301) 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, 8765 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (204309).

2^2502305 is an apocalyptic number.

It is an amenable number.

2502305 is a deficient number, since it is larger than the sum of its proper divisors (766639).

2502305 is a wasteful number, since it uses less digits than its factorization.

2502305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 2502305 is about 1581.8675671497. The cubic root of 2502305 is about 135.7625795677.

Adding to 2502305 its reverse (5032052), we get a palindrome (7534357).

The spelling of 2502305 in words is "two million, five hundred two thousand, three hundred five".