213042299 has 2 divisors, whose sum is σ = 213042300. Its totient is φ = 213042298.

The previous prime is 213042259. The next prime is 213042311. The reversal of 213042299 is 992240312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213042299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213042239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106521149 + 106521150.

It is an arithmetic number, because the mean of its divisors is an integer number (106521150).

Almost surely, 2^213042299 is an apocalyptic number.

213042299 is a deficient number, since it is larger than the sum of its proper divisors (1).

213042299 is an equidigital number, since it uses as much as digits as its factorization.

213042299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 213042299 is about 14595.9685872504. The cubic root of 213042299 is about 597.2487920023.

The spelling of 213042299 in words is "two hundred thirteen million, forty-two thousand, two hundred ninety-nine".