2021259241 has 4 divisors (see below), whose sum is σ = 2086461184. Its totient is φ = 1956057300.

The previous prime is 2021259239. The next prime is 2021259257. The reversal of 2021259241 is 1429521202.

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 2021259241 - 2¹ = 2021259239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021259641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32600925 + ... + 32600986.

It is an arithmetic number, because the mean of its divisors is an integer number (521615296).

Almost surely, 2^2021259241 is an apocalyptic number.

It is an amenable number.

2021259241 is a deficient number, since it is larger than the sum of its proper divisors (65201943).

2021259241 is an equidigital number, since it uses as much as digits as its factorization.

2021259241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65201942.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2021259241 is about 44958.4167981925. The cubic root of 2021259241 is about 1264.3694860737.

The spelling of 2021259241 in words is "two billion, twenty-one million, two hundred fifty-nine thousand, two hundred forty-one".