213133619 has 2 divisors, whose sum is σ = 213133620. Its totient is φ = 213133618.

The previous prime is 213133603. The next prime is 213133637. The reversal of 213133619 is 916331312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213133619 - 2⁴ = 213133603 is a prime.

It is a super-2 number, since 2×213133619² = 90851879096074322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 213133591 and 213133600.

It is not a weakly prime, because it can be changed into another prime (213133639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566809 + 106566810.

It is an arithmetic number, because the mean of its divisors is an integer number (106566810).

Almost surely, 2^213133619 is an apocalyptic number.

213133619 is a deficient number, since it is larger than the sum of its proper divisors (1).

213133619 is an equidigital number, since it uses as much as digits as its factorization.

213133619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 213133619 is about 14599.0965131408. The cubic root of 213133619 is about 597.3341161670.

The spelling of 213133619 in words is "two hundred thirteen million, one hundred thirty-three thousand, six hundred nineteen".