4521755525 has 36 divisors (see below), whose sum is σ = 6537723300. Its totient is φ = 3093350400.

The previous prime is 4521755477. The next prime is 4521755543. The reversal of 4521755525 is 5255571254.

4521755525 is digitally balanced in base 3, 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 6 ways, for example, as 153338689 + 4368416836 = 12383^2 + 66094^2 .

It is not a de Polignac number, because 4521755525 - 2¹⁴ = 4521739141 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 545915 + ... + 554135.

It is an arithmetic number, because the mean of its divisors is an integer number (181603425).

Almost surely, 2^4521755525 is an apocalyptic number.

It is an amenable number.

4521755525 is a deficient number, since it is larger than the sum of its proper divisors (2015967775).

4521755525 is a wasteful number, since it uses less digits than its factorization.

4521755525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694 (or 8682 counting only the distinct ones).

The product of its digits is 350000, while the sum is 41.

The square root of 4521755525 is about 67243.9999182083. Note that the first 4 decimals coincide. The cubic root of 4521755525 is about 1653.6199098886.

The spelling of 4521755525 in words is "four billion, five hundred twenty-one million, seven hundred fifty-five thousand, five hundred twenty-five".