405201 has 8 divisors (see below), whose sum is σ = 557824. Its totient is φ = 261360.

The previous prime is 405199. The next prime is 405211. The reversal of 405201 is 102504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405201 - 2¹ = 405199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (69728).

2⁴⁰⁵²⁰¹ is an apocalyptic number.

It is an amenable number.

405201 is a deficient number, since it is larger than the sum of its proper divisors (152623).

405201 is a wasteful number, since it uses less digits than its factorization.

405201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 405201 is about 636.5540039934. The cubic root of 405201 is about 73.9985999248.

Adding to 405201 its reverse (102504), we get a palindrome (507705).

It can be divided in two parts, 405 and 201, that added together give a palindrome (606).

The spelling of 405201 in words is "four hundred five thousand, two hundred one".