213301427 has 2 divisors, whose sum is σ = 213301428. Its totient is φ = 213301426.

The previous prime is 213301381. The next prime is 213301433. The reversal of 213301427 is 724103312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213301427 - 2¹⁸ = 213039283 is a prime.

It is not a weakly prime, because it can be changed into another prime (213301447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106650713 + 106650714.

It is an arithmetic number, because the mean of its divisors is an integer number (106650714).

Almost surely, 2^213301427 is an apocalyptic number.

213301427 is a deficient number, since it is larger than the sum of its proper divisors (1).

213301427 is an equidigital number, since it uses as much as digits as its factorization.

213301427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 213301427 is about 14604.8425873064. The cubic root of 213301427 is about 597.4908428071.

Adding to 213301427 its reverse (724103312), we get a palindrome (937404739).

The spelling of 213301427 in words is "two hundred thirteen million, three hundred one thousand, four hundred twenty-seven".