3205445011 has 4 divisors (see below), whose sum is σ = 3209966800. Its totient is φ = 3200923224.

The previous prime is 3205444997. The next prime is 3205445029. The reversal of 3205445011 is 1105445023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105445023 = 19 ⋅58181317.

It is a cyclic number.

It is not a de Polignac number, because 3205445011 - 2⁹ = 3205444499 is a prime.

It is a super-3 number, since 3×3205445011³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3205445311) 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 3 ways as a sum of consecutive naturals, for example, 2259831 + ... + 2261248.

It is an arithmetic number, because the mean of its divisors is an integer number (802491700).

Almost surely, 2^3205445011 is an apocalyptic number.

3205445011 is a deficient number, since it is larger than the sum of its proper divisors (4521789).

3205445011 is an equidigital number, since it uses as much as digits as its factorization.

3205445011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521788.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3205445011 is about 56616.6495917941. The cubic root of 3205445011 is about 1474.4479421730.

The spelling of 3205445011 in words is "three billion, two hundred five million, four hundred forty-five thousand, eleven".