2505465563 has 8 divisors (see below), whose sum is σ = 2564407296. Its totient is φ = 2446554600.

The previous prime is 2505465553. The next prime is 2505465577. The reversal of 2505465563 is 3655645052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505465563 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 2505465563.

It is not an unprimeable number, because it can be changed into a prime (2505465553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292958 + ... + 301388.

It is an arithmetic number, because the mean of its divisors is an integer number (320550912).

Almost surely, 2^2505465563 is an apocalyptic number.

2505465563 is a deficient number, since it is larger than the sum of its proper divisors (58941733).

2505465563 is an equidigital number, since it uses as much as digits as its factorization.

2505465563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385.

The product of its (nonzero) digits is 540000, while the sum is 41.

The square root of 2505465563 is about 50054.6257902304. The cubic root of 2505465563 is about 1358.1971431056.

The spelling of 2505465563 in words is "two billion, five hundred five million, four hundred sixty-five thousand, five hundred sixty-three".