213315653 has 2 divisors, whose sum is σ = 213315654. Its totient is φ = 213315652.

The previous prime is 213315631. The next prime is 213315659. The reversal of 213315653 is 356513312.

213315653 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., 148303684 + 65011969 = 12178^2 + 8063^2 .

It is a cyclic number.

It is not a de Polignac number, because 213315653 - 2⁶ = 213315589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213315659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106657826 + 106657827.

It is an arithmetic number, because the mean of its divisors is an integer number (106657827).

Almost surely, 2^213315653 is an apocalyptic number.

It is an amenable number.

213315653 is a deficient number, since it is larger than the sum of its proper divisors (1).

213315653 is an equidigital number, since it uses as much as digits as its factorization.

213315653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 29.

The square root of 213315653 is about 14605.3296094268. The cubic root of 213315653 is about 597.5041255996.

Adding to 213315653 its reverse (356513312), we get a palindrome (569828965).

The spelling of 213315653 in words is "two hundred thirteen million, three hundred fifteen thousand, six hundred fifty-three".