213241783 has 2 divisors, whose sum is σ = 213241784. Its totient is φ = 213241782.

The previous prime is 213241781. The next prime is 213241849. The reversal of 213241783 is 387142312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213241783 - 2¹ = 213241781 is a prime.

Together with 213241781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213241781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106620891 + 106620892.

It is an arithmetic number, because the mean of its divisors is an integer number (106620892).

Almost surely, 2^213241783 is an apocalyptic number.

213241783 is a deficient number, since it is larger than the sum of its proper divisors (1).

213241783 is an equidigital number, since it uses as much as digits as its factorization.

213241783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 213241783 is about 14602.8005190785. The cubic root of 213241783 is about 597.4351468741.

The spelling of 213241783 in words is "two hundred thirteen million, two hundred forty-one thousand, seven hundred eighty-three".