2505330806 has 16 divisors (see below), whose sum is σ = 4169119680. Its totient is φ = 1119484680.

The previous prime is 2505330769. The next prime is 2505330809. The reversal of 2505330806 is 6080335052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505330809) 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, 963776 + ... + 966371.

It is an arithmetic number, because the mean of its divisors is an integer number (260569980).

Almost surely, 2^2505330806 is an apocalyptic number.

2505330806 is a deficient number, since it is larger than the sum of its proper divisors (1663788874).

2505330806 is a wasteful number, since it uses less digits than its factorization.

2505330806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930219.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2505330806 is about 50053.2796727647. The cubic root of 2505330806 is about 1358.1727923613.

Adding to 2505330806 its reverse (6080335052), we get a palindrome (8585665858).

The spelling of 2505330806 in words is "two billion, five hundred five million, three hundred thirty thousand, eight hundred six".