2545425543 has 8 divisors (see below), whose sum is σ = 3432034800. Its totient is φ = 1677883328.

The previous prime is 2545425527. The next prime is 2545425559. The reversal of 2545425543 is 3455245452.

2545425543 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2545425527) and next prime (2545425559).

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 2545425543 - 2⁴ = 2545425527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545425503) 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, 4766448 + ... + 4766981.

It is an arithmetic number, because the mean of its divisors is an integer number (429004350).

Almost surely, 2^2545425543 is an apocalyptic number.

2545425543 is a deficient number, since it is larger than the sum of its proper divisors (886609257).

2545425543 is an equidigital number, since it uses as much as digits as its factorization.

2545425543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9533521.

The product of its digits is 480000, while the sum is 39.

The square root of 2545425543 is about 50452.2104867567. The cubic root of 2545425543 is about 1365.3797765206.

The spelling of 2545425543 in words is "two billion, five hundred forty-five million, four hundred twenty-five thousand, five hundred forty-three".