2021365041 has 4 divisors (see below), whose sum is σ = 2695153392. Its totient is φ = 1347576692.

The previous prime is 2021365037. The next prime is 2021365061. The reversal of 2021365041 is 1405631202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021365041 - 2² = 2021365037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021365061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336894171 + ... + 336894176.

It is an arithmetic number, because the mean of its divisors is an integer number (673788348).

Almost surely, 2^2021365041 is an apocalyptic number.

It is an amenable number.

2021365041 is a deficient number, since it is larger than the sum of its proper divisors (673788351).

2021365041 is an equidigital number, since it uses as much as digits as its factorization.

2021365041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673788350.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2021365041 is about 44959.5934256528. The cubic root of 2021365041 is about 1264.3915462421.

Adding to 2021365041 its reverse (1405631202), we get a palindrome (3426996243).

The spelling of 2021365041 in words is "two billion, twenty-one million, three hundred sixty-five thousand, forty-one".