2543375651 has 4 divisors (see below), whose sum is σ = 2544043032. Its totient is φ = 2542708272.

The previous prime is 2543375647. The next prime is 2543375689. The reversal of 2543375651 is 1565733452.

2543375651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2543375651 - 2² = 2543375647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2543375599 and 2543375608.

It is not an unprimeable number, because it can be changed into a prime (2543375251) 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, 327941 + ... + 335606.

It is an arithmetic number, because the mean of its divisors is an integer number (636010758).

Almost surely, 2^2543375651 is an apocalyptic number.

2543375651 is a deficient number, since it is larger than the sum of its proper divisors (667381).

2543375651 is an equidigital number, since it uses as much as digits as its factorization.

2543375651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667380.

The product of its digits is 378000, while the sum is 41.

The square root of 2543375651 is about 50431.8912098287. The cubic root of 2543375651 is about 1365.0131537686.

The spelling of 2543375651 in words is "two billion, five hundred forty-three million, three hundred seventy-five thousand, six hundred fifty-one".