3545205525 has 18 divisors (see below), whose sum is σ = 6349857410. Its totient is φ = 1890776160.

The previous prime is 3545205481. The next prime is 3545205527. The reversal of 3545205525 is 5255025453.

3545205525 is a `hidden beast` number, since 3 + 54 + 52 + 0 + 552 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 245047716 + 3300157809 = 15654^2 + 57447^2 .

It is not a de Polignac number, because 3545205525 - 2⁷ = 3545205397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3545205525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545205527) 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 17 ways as a sum of consecutive naturals, for example, 7878010 + ... + 7878459.

Almost surely, 2^3545205525 is an apocalyptic number.

It is an amenable number.

3545205525 is a deficient number, since it is larger than the sum of its proper divisors (2804651885).

3545205525 is a wasteful number, since it uses less digits than its factorization.

3545205525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15756485 (or 15756477 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 3545205525 is about 59541.6285047697. The cubic root of 3545205525 is about 1524.8032389697.

The spelling of 3545205525 in words is "three billion, five hundred forty-five million, two hundred five thousand, five hundred twenty-five".