213114647 has 2 divisors, whose sum is σ = 213114648. Its totient is φ = 213114646.

The previous prime is 213114623. The next prime is 213114673. The reversal of 213114647 is 746411312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213114647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213114607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106557323 + 106557324.

It is an arithmetic number, because the mean of its divisors is an integer number (106557324).

Almost surely, 2^213114647 is an apocalyptic number.

213114647 is a deficient number, since it is larger than the sum of its proper divisors (1).

213114647 is an equidigital number, since it uses as much as digits as its factorization.

213114647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 213114647 is about 14598.4467324438. The cubic root of 213114647 is about 597.3163918255.

Adding to 213114647 its reverse (746411312), we get a palindrome (959525959).

The spelling of 213114647 in words is "two hundred thirteen million, one hundred fourteen thousand, six hundred forty-seven".