2505534065 has 8 divisors (see below), whose sum is σ = 3019887360. Its totient is φ = 1995596272.

The previous prime is 2505534041. The next prime is 2505534071. The reversal of 2505534065 is 5604355052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505534065 - 2¹² = 2505529969 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 1102625 + ... + 1104894.

It is an arithmetic number, because the mean of its divisors is an integer number (377485920).

Almost surely, 2^2505534065 is an apocalyptic number.

It is an amenable number.

2505534065 is a deficient number, since it is larger than the sum of its proper divisors (514353295).

2505534065 is a wasteful number, since it uses less digits than its factorization.

2505534065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207751.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 2505534065 is about 50055.3100579749. The cubic root of 2505534065 is about 1358.2095211608.

The spelling of 2505534065 in words is "two billion, five hundred five million, five hundred thirty-four thousand, sixty-five".