2543425345 has 8 divisors (see below), whose sum is σ = 3053551464. Its totient is φ = 2033779584.

The previous prime is 2543425343. The next prime is 2543425387. The reversal of 2543425345 is 5435243452.

2543425345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 55011889 + 2488413456 = 7417^2 + 49884^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2543425345 - 2¹ = 2543425343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543425343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108334 + ... + 129703.

It is an arithmetic number, because the mean of its divisors is an integer number (381693933).

Almost surely, 2^2543425345 is an apocalyptic number.

It is an amenable number.

2543425345 is a deficient number, since it is larger than the sum of its proper divisors (510126119).

2543425345 is a wasteful number, since it uses less digits than its factorization.

2543425345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240179.

The product of its digits is 288000, while the sum is 37.

The square root of 2543425345 is about 50432.3838917020. The cubic root of 2543425345 is about 1365.0220438595.

Adding to 2543425345 its reverse (5435243452), we get a palindrome (7978668797).

The spelling of 2543425345 in words is "two billion, five hundred forty-three million, four hundred twenty-five thousand, three hundred forty-five".