213459641 has 2 divisors, whose sum is σ = 213459642. Its totient is φ = 213459640.

The previous prime is 213459613. The next prime is 213459643. The reversal of 213459641 is 146954312.

213459641 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., 191407225 + 22052416 = 13835^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 213459641 - 2⁶ = 213459577 is a prime.

Together with 213459643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213459643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106729820 + 106729821.

It is an arithmetic number, because the mean of its divisors is an integer number (106729821).

Almost surely, 2^213459641 is an apocalyptic number.

It is an amenable number.

213459641 is a deficient number, since it is larger than the sum of its proper divisors (1).

213459641 is an equidigital number, since it uses as much as digits as its factorization.

213459641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 213459641 is about 14610.2580743805. The cubic root of 213459641 is about 597.6385337291.

The spelling of 213459641 in words is "two hundred thirteen million, four hundred fifty-nine thousand, six hundred forty-one".