2505530308 has 6 divisors (see below), whose sum is σ = 4384678046. Its totient is φ = 1252765152.

The previous prime is 2505530239. The next prime is 2505530381. The reversal of 2505530308 is 8030355052.

It can be written as a sum of positive squares in only one way, i.e., 1870389504 + 635140804 = 43248^2 + 25202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2505530308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313191285 + ... + 313191292.

Almost surely, 2^2505530308 is an apocalyptic number.

It is an amenable number.

2505530308 is a deficient number, since it is larger than the sum of its proper divisors (1879147738).

2505530308 is a wasteful number, since it uses less digits than its factorization.

2505530308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626382581 (or 626382579 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2505530308 is about 50055.2725294749. The cubic root of 2505530308 is about 1358.2088422908.

The spelling of 2505530308 in words is "two billion, five hundred five million, five hundred thirty thousand, three hundred eight".