213445627 has 2 divisors, whose sum is σ = 213445628. Its totient is φ = 213445626.

The previous prime is 213445579. The next prime is 213445643. The reversal of 213445627 is 726544312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213445627 - 2⁷ = 213445499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213445592 and 213445601.

It is not a weakly prime, because it can be changed into another prime (213445027) 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, 106722813 + 106722814.

It is an arithmetic number, because the mean of its divisors is an integer number (106722814).

Almost surely, 2^213445627 is an apocalyptic number.

213445627 is a deficient number, since it is larger than the sum of its proper divisors (1).

213445627 is an equidigital number, since it uses as much as digits as its factorization.

213445627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 213445627 is about 14609.7784719687. The cubic root of 213445627 is about 597.6254547701.

Adding to 213445627 its reverse (726544312), we get a palindrome (939989939).

The spelling of 213445627 in words is "two hundred thirteen million, four hundred forty-five thousand, six hundred twenty-seven".