2505236 has 12 divisors (see below), whose sum is σ = 4403028. Its totient is φ = 1247232.

The previous prime is 2505227. The next prime is 2505247. The reversal of 2505236 is 6325052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 84100 = 1556^2 + 290^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (366919).

2^2505236 is an apocalyptic number.

It is an amenable number.

2505236 is a deficient number, since it is larger than the sum of its proper divisors (1897792).

2505236 is a wasteful number, since it uses less digits than its factorization.

2505236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2505236 is about 1582.7937326133. The cubic root of 2505236 is about 135.8155660285.

The spelling of 2505236 in words is "two million, five hundred five thousand, two hundred thirty-six".