213641353 has 2 divisors, whose sum is σ = 213641354. Its totient is φ = 213641352.

The previous prime is 213641327. The next prime is 213641371. The reversal of 213641353 is 353146312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150724729 + 62916624 = 12277^2 + 7932^2 .

It is a cyclic number.

It is not a de Polignac number, because 213641353 - 2⁵ = 213641321 is a prime.

It is not a weakly prime, because it can be changed into another prime (213641653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106820676 + 106820677.

It is an arithmetic number, because the mean of its divisors is an integer number (106820677).

Almost surely, 2^213641353 is an apocalyptic number.

It is an amenable number.

213641353 is a deficient number, since it is larger than the sum of its proper divisors (1).

213641353 is an equidigital number, since it uses as much as digits as its factorization.

213641353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 213641353 is about 14616.4753959359. The cubic root of 213641353 is about 597.8080697467.

Adding to 213641353 its reverse (353146312), we get a palindrome (566787665).

The spelling of 213641353 in words is "two hundred thirteen million, six hundred forty-one thousand, three hundred fifty-three".