2542465543 has 4 divisors (see below), whose sum is σ = 2584145368. Its totient is φ = 2500785720.

The previous prime is 2542465537. The next prime is 2542465547. The reversal of 2542465543 is 3455642452.

It is a happy number.

2542465543 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-2542465543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542465496 and 2542465505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542465547) 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, 20839821 + ... + 20839942.

It is an arithmetic number, because the mean of its divisors is an integer number (646036342).

Almost surely, 2^2542465543 is an apocalyptic number.

2542465543 is a deficient number, since it is larger than the sum of its proper divisors (41679825).

2542465543 is an equidigital number, since it uses as much as digits as its factorization.

2542465543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41679824.

The product of its digits is 576000, while the sum is 40.

The square root of 2542465543 is about 50422.8672627807. The cubic root of 2542465543 is about 1364.8503179981.

The spelling of 2542465543 in words is "two billion, five hundred forty-two million, four hundred sixty-five thousand, five hundred forty-three".