3205105061 has 8 divisors (see below), whose sum is σ = 3283076544. Its totient is φ = 3127289760.

The previous prime is 3205105051. The next prime is 3205105069. The reversal of 3205105061 is 1605015023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3205105061 is a prime.

It is a super-3 number, since 3×3205105061³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205105069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041 + ... + 80121.

It is an arithmetic number, because the mean of its divisors is an integer number (410384568).

Almost surely, 2^3205105061 is an apocalyptic number.

It is an amenable number.

3205105061 is a deficient number, since it is larger than the sum of its proper divisors (77971483).

3205105061 is an equidigital number, since it uses as much as digits as its factorization.

3205105061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78091.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 3205105061 is about 56613.6473034550. The cubic root of 3205105061 is about 1474.3958166702.

The spelling of 3205105061 in words is "three billion, two hundred five million, one hundred five thousand, sixty-one".