213538159 has 2 divisors, whose sum is σ = 213538160. Its totient is φ = 213538158.

The previous prime is 213538133. The next prime is 213538163. The reversal of 213538159 is 951835312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213538159 - 2¹¹ = 213536111 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 (213538459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106769079 + 106769080.

It is an arithmetic number, because the mean of its divisors is an integer number (106769080).

Almost surely, 2^213538159 is an apocalyptic number.

213538159 is a deficient number, since it is larger than the sum of its proper divisors (1).

213538159 is an equidigital number, since it uses as much as digits as its factorization.

213538159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 213538159 is about 14612.9449119608. The cubic root of 213538159 is about 597.7118022710.

The spelling of 213538159 in words is "two hundred thirteen million, five hundred thirty-eight thousand, one hundred fifty-nine".