2548897163 has 4 divisors (see below), whose sum is σ = 2549049840. Its totient is φ = 2548744488.

The previous prime is 2548897151. The next prime is 2548897189. The reversal of 2548897163 is 3617988452.

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

It is a cyclic number.

It is not a de Polignac number, because 2548897163 - 2⁸ = 2548896907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2548897133) 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, 47720 + ... + 85877.

It is an arithmetic number, because the mean of its divisors is an integer number (637262460).

Almost surely, 2^2548897163 is an apocalyptic number.

2548897163 is a deficient number, since it is larger than the sum of its proper divisors (152677).

2548897163 is a wasteful number, since it uses less digits than its factorization.

2548897163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152676.

The product of its digits is 2903040, while the sum is 53.

The square root of 2548897163 is about 50486.6037974431. The cubic root of 2548897163 is about 1366.0002263361. Note that the first 3 decimals are identical.

The spelling of 2548897163 in words is "two billion, five hundred forty-eight million, eight hundred ninety-seven thousand, one hundred sixty-three".