213293089 has 2 divisors, whose sum is σ = 213293090. Its totient is φ = 213293088.

The previous prime is 213293063. The next prime is 213293177. The reversal of 213293089 is 980392312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204490000 + 8803089 = 14300^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 213293089 - 2⁹ = 213292577 is a prime.

It is not a weakly prime, because it can be changed into another prime (213293189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106646544 + 106646545.

It is an arithmetic number, because the mean of its divisors is an integer number (106646545).

Almost surely, 2^213293089 is an apocalyptic number.

It is an amenable number.

213293089 is a deficient number, since it is larger than the sum of its proper divisors (1).

213293089 is an equidigital number, since it uses as much as digits as its factorization.

213293089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 213293089 is about 14604.5571312519. The cubic root of 213293089 is about 597.4830573559.

The spelling of 213293089 in words is "two hundred thirteen million, two hundred ninety-three thousand, eighty-nine".