201424213 has 4 divisors (see below), whose sum is σ = 201719808. Its totient is φ = 201128620.

The previous prime is 201424147. The next prime is 201424217. The reversal of 201424213 is 312424102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201424213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201424217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146773 + ... + 148138.

It is an arithmetic number, because the mean of its divisors is an integer number (50429952).

Almost surely, 2^201424213 is an apocalyptic number.

It is an amenable number.

201424213 is a deficient number, since it is larger than the sum of its proper divisors (295595).

201424213 is an equidigital number, since it uses as much as digits as its factorization.

201424213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295594.

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

The square root of 201424213 is about 14192.3998323046. The cubic root of 201424213 is about 586.1884069600.

Adding to 201424213 its reverse (312424102), we get a palindrome (513848315).

The spelling of 201424213 in words is "two hundred one million, four hundred twenty-four thousand, two hundred thirteen".