3205125053 has 12 divisors (see below), whose sum is σ = 3502499220. Its totient is φ = 2931417216.

The previous prime is 3205125043. The next prime is 3205125083. The reversal of 3205125053 is 3505215023.

It can be written as a sum of positive squares in 6 ways, for example, as 137405284 + 3067719769 = 11722^2 + 55387^2 .

It is not a de Polignac number, because 3205125053 - 2¹⁰ = 3205124029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205125043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68576 + ... + 105417.

It is an arithmetic number, because the mean of its divisors is an integer number (291874935).

Almost surely, 2^3205125053 is an apocalyptic number.

It is an amenable number.

3205125053 is a deficient number, since it is larger than the sum of its proper divisors (297374167).

3205125053 is a wasteful number, since it uses less digits than its factorization.

3205125053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174128 (or 174115 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 3205125053 is about 56613.8238683804. The cubic root of 3205125053 is about 1474.3988822026.

The spelling of 3205125053 in words is "three billion, two hundred five million, one hundred twenty-five thousand, fifty-three".