3641305 has 4 divisors (see below), whose sum is σ = 4369572. Its totient is φ = 2913040.

The previous prime is 3641263. The next prime is 3641311. The reversal of 3641305 is 5031463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5031463 = 61 ⋅82483.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 2277081 = 1168^2 + 1509^2 .

It is not a de Polignac number, because 3641305 - 2¹⁷ = 3510233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364126 + ... + 364135.

It is an arithmetic number, because the mean of its divisors is an integer number (1092393).

Almost surely, 2^3641305 is an apocalyptic number.

It is an amenable number.

3641305 is a deficient number, since it is larger than the sum of its proper divisors (728267).

3641305 is an equidigital number, since it uses as much as digits as its factorization.

3641305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728266.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3641305 is about 1908.2203751139. The cubic root of 3641305 is about 153.8458146467.

Adding to 3641305 its reverse (5031463), we get a palindrome (8672768).

The spelling of 3641305 in words is "three million, six hundred forty-one thousand, three hundred five".