201424605 has 16 divisors (see below), whose sum is σ = 339241920. Its totient is φ = 101772288.

The previous prime is 201424537. The next prime is 201424627. The reversal of 201424605 is 506424102.

It is not a de Polignac number, because 201424605 - 2¹⁹ = 200900317 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353092 + ... + 353661.

It is an arithmetic number, because the mean of its divisors is an integer number (21202620).

Almost surely, 2^201424605 is an apocalyptic number.

It is an amenable number.

201424605 is a deficient number, since it is larger than the sum of its proper divisors (137817315).

201424605 is a wasteful number, since it uses less digits than its factorization.

201424605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706780.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 201424605 is about 14192.4136425063. The cubic root of 201424605 is about 586.1887872282.

Adding to 201424605 its reverse (506424102), we get a palindrome (707848707).

The spelling of 201424605 in words is "two hundred one million, four hundred twenty-four thousand, six hundred five".