3605273021 has 8 divisors (see below), whose sum is σ = 4125126720. Its totient is φ = 3086623008.

The previous prime is 3605272997. The next prime is 3605273027. The reversal of 3605273021 is 1203725063.

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

It is not a de Polignac number, because 3605273021 - 2¹⁴ = 3605256637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605273027) 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, 294491 + ... + 306488.

It is an arithmetic number, because the mean of its divisors is an integer number (515640840).

Almost surely, 2^3605273021 is an apocalyptic number.

It is an amenable number.

3605273021 is a deficient number, since it is larger than the sum of its proper divisors (519853699).

3605273021 is an equidigital number, since it uses as much as digits as its factorization.

3605273021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601843.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 3605273021 is about 60043.9257627281. The cubic root of 3605273021 is about 1533.3667896869.

Adding to 3605273021 its reverse (1203725063), we get a palindrome (4808998084).

The spelling of 3605273021 in words is "three billion, six hundred five million, two hundred seventy-three thousand, twenty-one".