3205044025 has 6 divisors (see below), whose sum is σ = 3974254622. Its totient is φ = 2564035200.

The previous prime is 3205044019. The next prime is 3205044041. The reversal of 3205044025 is 5204405023.

It can be written as a sum of positive squares in 3 ways, for example, as 2729104 + 3202314921 = 1652^2 + 56589^2 .

It is not a de Polignac number, because 3205044025 - 2²³ = 3196655417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 128201761 = 3205044025 / (3 + 2 + 0 + 5 + 0 + 4 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 64100856 + ... + 64100905.

Almost surely, 2^3205044025 is an apocalyptic number.

It is an amenable number.

3205044025 is a deficient number, since it is larger than the sum of its proper divisors (769210597).

3205044025 is a wasteful number, since it uses less digits than its factorization.

3205044025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128201771 (or 128201766 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 3205044025 is about 56613.1082435861. The cubic root of 3205044025 is about 1474.3864574561.

Adding to 3205044025 its reverse (5204405023), we get a palindrome (8409449048).

The spelling of 3205044025 in words is "three billion, two hundred five million, forty-four thousand, twenty-five".