2501163563 has 4 divisors (see below), whose sum is σ = 2501270640. Its totient is φ = 2501056488.

The previous prime is 2501163559. The next prime is 2501163571. The reversal of 2501163563 is 3653611052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2501163563 - 2² = 2501163559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501163163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895 + ... + 70752.

It is an arithmetic number, because the mean of its divisors is an integer number (625317660).

Almost surely, 2^2501163563 is an apocalyptic number.

2501163563 is a deficient number, since it is larger than the sum of its proper divisors (107077).

2501163563 is an equidigital number, since it uses as much as digits as its factorization.

2501163563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107076.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2501163563 is about 50011.6342764361. The cubic root of 2501163563 is about 1357.4193353663.

The spelling of 2501163563 in words is "two billion, five hundred one million, one hundred sixty-three thousand, five hundred sixty-three".