213456983 has 2 divisors, whose sum is σ = 213456984. Its totient is φ = 213456982.

The previous prime is 213456967. The next prime is 213457003. The reversal of 213456983 is 389654312.

213456983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213456983 - 2⁴ = 213456967 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 213456983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213456283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106728491 + 106728492.

It is an arithmetic number, because the mean of its divisors is an integer number (106728492).

Almost surely, 2^213456983 is an apocalyptic number.

213456983 is a deficient number, since it is larger than the sum of its proper divisors (1).

213456983 is an equidigital number, since it uses as much as digits as its factorization.

213456983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 213456983 is about 14610.1671106117. The cubic root of 213456983 is about 597.6360531200.

The spelling of 213456983 in words is "two hundred thirteen million, four hundred fifty-six thousand, nine hundred eighty-three".