2259335621 has 2 divisors, whose sum is σ = 2259335622. Its totient is φ = 2259335620.

The previous prime is 2259335579. The next prime is 2259335623. The reversal of 2259335621 is 1265339522.

2259335621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1485717025 + 773618596 = 38545^2 + 27814^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259335621 - 2¹⁸ = 2259073477 is a prime.

Together with 2259335623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2259335623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129667810 + 1129667811.

It is an arithmetic number, because the mean of its divisors is an integer number (1129667811).

Almost surely, 2^2259335621 is an apocalyptic number.

It is an amenable number.

2259335621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259335621 is an equidigital number, since it uses as much as digits as its factorization.

2259335621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 2259335621 is about 47532.4691237474. The cubic root of 2259335621 is about 1312.1805110314.

The spelling of 2259335621 in words is "two billion, two hundred fifty-nine million, three hundred thirty-five thousand, six hundred twenty-one".