213791351 has 2 divisors, whose sum is σ = 213791352. Its totient is φ = 213791350.

The previous prime is 213791329. The next prime is 213791381. The reversal of 213791351 is 153197312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213791351 - 2¹⁰ = 213790327 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 (213791381) 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, 106895675 + 106895676.

It is an arithmetic number, because the mean of its divisors is an integer number (106895676).

Almost surely, 2^213791351 is an apocalyptic number.

213791351 is a deficient number, since it is larger than the sum of its proper divisors (1).

213791351 is an equidigital number, since it uses as much as digits as its factorization.

213791351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 213791351 is about 14621.6056231865. The cubic root of 213791351 is about 597.9479444104.

The spelling of 213791351 in words is "two hundred thirteen million, seven hundred ninety-one thousand, three hundred fifty-one".