213332851 has 2 divisors, whose sum is σ = 213332852. Its totient is φ = 213332850.

The previous prime is 213332839. The next prime is 213332869. The reversal of 213332851 is 158233312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213332851 - 2²¹ = 211235699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213332831) 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, 106666425 + 106666426.

It is an arithmetic number, because the mean of its divisors is an integer number (106666426).

Almost surely, 2^213332851 is an apocalyptic number.

213332851 is a deficient number, since it is larger than the sum of its proper divisors (1).

213332851 is an equidigital number, since it uses as much as digits as its factorization.

213332851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 213332851 is about 14605.9183552422. The cubic root of 213332851 is about 597.5201825550.

The spelling of 213332851 in words is "two hundred thirteen million, three hundred thirty-two thousand, eight hundred fifty-one".