2505302755 has 4 divisors (see below), whose sum is σ = 3006363312. Its totient is φ = 2004242200.

The previous prime is 2505302753. The next prime is 2505302831. The reversal of 2505302755 is 5572035052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2505302755 - 2¹ = 2505302753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505302755.

It is not an unprimeable number, because it can be changed into a prime (2505302753) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 250530271 + ... + 250530280.

It is an arithmetic number, because the mean of its divisors is an integer number (751590828).

Almost surely, 2^2505302755 is an apocalyptic number.

2505302755 is a deficient number, since it is larger than the sum of its proper divisors (501060557).

2505302755 is an equidigital number, since it uses as much as digits as its factorization.

2505302755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501060556.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 2505302755 is about 50052.9994605718. Note that the first 3 decimals coincide. The cubic root of 2505302755 is about 1358.1677234037.

The spelling of 2505302755 in words is "two billion, five hundred five million, three hundred two thousand, seven hundred fifty-five".