2021042341 has 2 divisors, whose sum is σ = 2021042342. Its totient is φ = 2021042340.

The previous prime is 2021042339. The next prime is 2021042371. The reversal of 2021042341 is 1432401202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1299314116 + 721728225 = 36046^2 + 26865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021042341 - 2¹ = 2021042339 is a prime.

It is a super-2 number, since 2×2021042341² = 8169224288229520562, which contains 22 as substring.

Together with 2021042339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021042371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010521170 + 1010521171.

It is an arithmetic number, because the mean of its divisors is an integer number (1010521171).

Almost surely, 2^2021042341 is an apocalyptic number.

It is an amenable number.

2021042341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021042341 is an equidigital number, since it uses as much as digits as its factorization.

2021042341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2021042341 is about 44956.0045044041. The cubic root of 2021042341 is about 1264.3242582365.

Adding to 2021042341 its reverse (1432401202), we get a palindrome (3453443543).

The spelling of 2021042341 in words is "two billion, twenty-one million, forty-two thousand, three hundred forty-one".