2545876481 has 8 divisors (see below), whose sum is σ = 2681706720. Its totient is φ = 2410229952.

The previous prime is 2545876471. The next prime is 2545876483. The reversal of 2545876481 is 1846785452.

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

It is a de Polignac number, because none of the positive numbers 2^k-2545876481 is a prime.

It is a super-2 number, since 2×2545876481² = 12962974113017886722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545876483) 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, 17000 + ... + 73353.

It is an arithmetic number, because the mean of its divisors is an integer number (335213340).

Almost surely, 2^2545876481 is an apocalyptic number.

It is an amenable number.

2545876481 is a deficient number, since it is larger than the sum of its proper divisors (135830239).

2545876481 is a wasteful number, since it uses less digits than its factorization.

2545876481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91855.

The product of its digits is 2150400, while the sum is 50.

The square root of 2545876481 is about 50456.6792506205. The cubic root of 2545876481 is about 1365.4604002722.

The spelling of 2545876481 in words is "two billion, five hundred forty-five million, eight hundred seventy-six thousand, four hundred eighty-one".