2545042343 has 4 divisors (see below), whose sum is σ = 2678991960. Its totient is φ = 2411092728.

The previous prime is 2545042337. The next prime is 2545042393. The reversal of 2545042343 is 3432405452.

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 2545042343 - 2¹⁰ = 2545041319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545042303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66974780 + ... + 66974817.

It is an arithmetic number, because the mean of its divisors is an integer number (669747990).

Almost surely, 2^2545042343 is an apocalyptic number.

2545042343 is a deficient number, since it is larger than the sum of its proper divisors (133949617).

2545042343 is a wasteful number, since it uses less digits than its factorization.

2545042343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133949616.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 2545042343 is about 50448.4126905892. The cubic root of 2545042343 is about 1365.3112562438.

Adding to 2545042343 its reverse (3432405452), we get a palindrome (5977447795).

The spelling of 2545042343 in words is "two billion, five hundred forty-five million, forty-two thousand, three hundred forty-three".