3205545525 has 108 divisors (see below), whose sum is σ = 7105863648. Its totient is φ = 1352557440.

The previous prime is 3205545509. The next prime is 3205545529. The reversal of 3205545525 is 5255455023.

3205545525 is a `hidden beast` number, since 32 + 0 + 554 + 55 + 25 = 666.

It is not a de Polignac number, because 3205545525 - 2⁴ = 3205545509 is a prime.

It is a super-2 number, since 2×3205545525² = 20551044225695051250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3205545525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205545529) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 260154 + ... + 272196.

Almost surely, 2^3205545525 is an apocalyptic number.

3205545525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3205545525 is an abundant number, since it is smaller than the sum of its proper divisors (3900318123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3205545525 is a wasteful number, since it uses less digits than its factorization.

3205545525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092 (or 12071 counting only the distinct ones).

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

The square root of 3205545525 is about 56617.5372565780. The cubic root of 3205545525 is about 1474.4633535653.

The spelling of 3205545525 in words is "three billion, two hundred five million, five hundred forty-five thousand, five hundred twenty-five".