4201365 has 16 divisors (see below), whose sum is σ = 7682688. Its totient is φ = 1920576.

The previous prime is 4201357. The next prime is 4201367. The reversal of 4201365 is 5631024.

It is a happy number.

It is not a de Polignac number, because 4201365 - 2³ = 4201357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19902 + ... + 20111.

It is an arithmetic number, because the mean of its divisors is an integer number (480168).

Almost surely, 2^4201365 is an apocalyptic number.

It is an amenable number.

4201365 is a deficient number, since it is larger than the sum of its proper divisors (3481323).

4201365 is a wasteful number, since it uses less digits than its factorization.

4201365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40028.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4201365 is about 2049.7231520379. The cubic root of 4201365 is about 161.3603415196.

Adding to 4201365 its reverse (5631024), we get a palindrome (9832389).

The spelling of 4201365 in words is "four million, two hundred one thousand, three hundred sixty-five".