3205136441 has 16 divisors (see below), whose sum is σ = 3506000400. Its totient is φ = 2912329728.

The previous prime is 3205136437. The next prime is 3205136449. The reversal of 3205136441 is 1446315023.

It can be written as a sum of positive squares in 8 ways, for example, as 509450041 + 2695686400 = 22571^2 + 51920^2 .

It is a cyclic number.

It is not a de Polignac number, because 3205136441 - 2² = 3205136437 is a prime.

It is a super-2 number, since 2×3205136441² = 20545799210852292962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3205136449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258905 + ... + 271001.

It is an arithmetic number, because the mean of its divisors is an integer number (219125025).

Almost surely, 2^3205136441 is an apocalyptic number.

It is an amenable number.

3205136441 is a deficient number, since it is larger than the sum of its proper divisors (300863959).

3205136441 is a wasteful number, since it uses less digits than its factorization.

3205136441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3205136441 is about 56613.9244444333. The cubic root of 3205136441 is about 1474.4006284095.

The spelling of 3205136441 in words is "three billion, two hundred five million, one hundred thirty-six thousand, four hundred forty-one".