2505054505 has 4 divisors (see below), whose sum is σ = 3006065412. Its totient is φ = 2004043600.

The previous prime is 2505054467. The next prime is 2505054511. The reversal of 2505054505 is 5054505052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1788528681 + 716525824 = 42291^2 + 26768^2 .

It is not a de Polignac number, because 2505054505 - 2¹⁷ = 2504923433 is a prime.

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

It is a Duffinian 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, 250505446 + ... + 250505455.

It is an arithmetic number, because the mean of its divisors is an integer number (751516353).

Almost surely, 2^2505054505 is an apocalyptic number.

It is an amenable number.

2505054505 is a deficient number, since it is larger than the sum of its proper divisors (501010907).

2505054505 is an equidigital number, since it uses as much as digits as its factorization.

2505054505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501010906.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 2505054505 is about 50050.5195277731. The cubic root of 2505054505 is about 1358.1228617233.

Adding to 2505054505 its reverse (5054505052), we get a palindrome (7559559557).

The spelling of 2505054505 in words is "two billion, five hundred five million, fifty-four thousand, five hundred five".