3205405053 has 24 divisors (see below), whose sum is σ = 4908573696. Its totient is φ = 2012104800.

The previous prime is 3205405033. The next prime is 3205405067. The reversal of 3205405053 is 3505045023.

3205405053 is a `hidden beast` number, since 3 + 20 + 540 + 50 + 53 = 666.

It is not a de Polignac number, because 3205405053 - 2⁶ = 3205404989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205405033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144933 + ... + 165578.

It is an arithmetic number, because the mean of its divisors is an integer number (204523904).

Almost surely, 2^3205405053 is an apocalyptic number.

It is an amenable number.

3205405053 is a deficient number, since it is larger than the sum of its proper divisors (1703168643).

3205405053 is a wasteful number, since it uses less digits than its factorization.

3205405053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310585 (or 310582 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 3205405053 is about 56616.2967086333. The cubic root of 3205405053 is about 1474.4418154901.

The spelling of 3205405053 in words is "three billion, two hundred five million, four hundred five thousand, fifty-three".