424213201 has 2 divisors, whose sum is σ = 424213202. Its totient is φ = 424213200.

The previous prime is 424213199. The next prime is 424213213. The reversal of 424213201 is 102312424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418161601 + 6051600 = 20449^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 424213201 - 2¹ = 424213199 is a prime.

Together with 424213199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (424213271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212106600 + 212106601.

It is an arithmetic number, because the mean of its divisors is an integer number (212106601).

Almost surely, 2^424213201 is an apocalyptic number.

It is an amenable number.

424213201 is a deficient number, since it is larger than the sum of its proper divisors (1).

424213201 is an equidigital number, since it uses as much as digits as its factorization.

424213201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 424213201 is about 20596.4366092778. The cubic root of 424213201 is about 751.3830485937.

Adding to 424213201 its reverse (102312424), we get a palindrome (526525625).

The spelling of 424213201 in words is "four hundred twenty-four million, two hundred thirteen thousand, two hundred one".