213133079 has 2 divisors, whose sum is σ = 213133080. Its totient is φ = 213133078.

The previous prime is 213133057. The next prime is 213133117. The reversal of 213133079 is 970331312.

213133079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213133079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213133979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566539 + 106566540.

It is an arithmetic number, because the mean of its divisors is an integer number (106566540).

Almost surely, 2^213133079 is an apocalyptic number.

213133079 is a deficient number, since it is larger than the sum of its proper divisors (1).

213133079 is an equidigital number, since it uses as much as digits as its factorization.

213133079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 213133079 is about 14599.0780188339. The cubic root of 213133079 is about 597.3336116937. Note that the first 3 decimals are identical.

The spelling of 213133079 in words is "two hundred thirteen million, one hundred thirty-three thousand, seventy-nine".