2528743545 has 24 divisors (see below), whose sum is σ = 4406118912. Its totient is φ = 1341597600.

The previous prime is 2528743531. The next prime is 2528743571. The reversal of 2528743545 is 5453478252.

2528743545 is a `hidden beast` number, since 2 + 528 + 74 + 3 + 54 + 5 = 666.

2528743545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2528743545 - 2¹⁸ = 2528481401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2528743545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138511 + ... + 155700.

It is an arithmetic number, because the mean of its divisors is an integer number (183588288).

Almost surely, 2^2528743545 is an apocalyptic number.

It is an amenable number.

2528743545 is a deficient number, since it is larger than the sum of its proper divisors (1877375367).

2528743545 is a wasteful number, since it uses less digits than its factorization.

2528743545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294413 (or 294410 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The square root of 2528743545 is about 50286.6139742974. The cubic root of 2528743545 is about 1362.3904658460.

The spelling of 2528743545 in words is "two billion, five hundred twenty-eight million, seven hundred forty-three thousand, five hundred forty-five".