3405200305 has 8 divisors (see below), whose sum is σ = 4400566632. Its totient is φ = 2514609408.

The previous prime is 3405200303. The next prime is 3405200341. The reversal of 3405200305 is 5030025043.

It can be written as a sum of positive squares in 4 ways, for example, as 92852496 + 3312347809 = 9636^2 + 57553^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3405200305 - 2¹ = 3405200303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405200303) 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, 26193784 + ... + 26193913.

It is an arithmetic number, because the mean of its divisors is an integer number (550070829).

Almost surely, 2^3405200305 is an apocalyptic number.

It is an amenable number.

3405200305 is a deficient number, since it is larger than the sum of its proper divisors (995366327).

3405200305 is a wasteful number, since it uses less digits than its factorization.

3405200305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52387715.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3405200305 is about 58354.0941579937. The cubic root of 3405200305 is about 1504.4608400460.

Adding to 3405200305 its reverse (5030025043), we get a palindrome (8435225348).

The spelling of 3405200305 in words is "three billion, four hundred five million, two hundred thousand, three hundred five".