2543161451 has 4 divisors (see below), whose sum is σ = 2653733712. Its totient is φ = 2432589192.

The previous prime is 2543161373. The next prime is 2543161469. The reversal of 2543161451 is 1541613452.

2543161451 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 a de Polignac number, because none of the positive numbers 2^k-2543161451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543161471) 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, 55286096 + ... + 55286141.

It is an arithmetic number, because the mean of its divisors is an integer number (663433428).

Almost surely, 2^2543161451 is an apocalyptic number.

2543161451 is a deficient number, since it is larger than the sum of its proper divisors (110572261).

2543161451 is a wasteful number, since it uses less digits than its factorization.

2543161451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110572260.

The product of its digits is 14400, while the sum is 32.

The square root of 2543161451 is about 50429.7675088831. The cubic root of 2543161451 is about 1364.9748327776.

The spelling of 2543161451 in words is "two billion, five hundred forty-three million, one hundred sixty-one thousand, four hundred fifty-one".