213500383 has 2 divisors, whose sum is σ = 213500384. Its totient is φ = 213500382.

The previous prime is 213500381. The next prime is 213500393. The reversal of 213500383 is 383005312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213500383 - 2¹ = 213500381 is a prime.

It is a super-2 number, since 2×213500383² = 91164827082293378, which contains 22 as substring.

Together with 213500381, 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 (213500381) 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, 106750191 + 106750192.

It is an arithmetic number, because the mean of its divisors is an integer number (106750192).

Almost surely, 2^213500383 is an apocalyptic number.

213500383 is a deficient number, since it is larger than the sum of its proper divisors (1).

213500383 is an equidigital number, since it uses as much as digits as its factorization.

213500383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 213500383 is about 14611.6523021868. The cubic root of 213500383 is about 597.6765540938.

Adding to 213500383 its reverse (383005312), we get a palindrome (596505695).

The spelling of 213500383 in words is "two hundred thirteen million, five hundred thousand, three hundred eighty-three".