653601 has 8 divisors (see below), whose sum is σ = 938560. Its totient is φ = 402192.

The previous prime is 653593. The next prime is 653617. The reversal of 653601 is 106356.

653601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 653601 - 2³ = 653593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653621) 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, 8341 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (117320).

2⁶⁵³⁶⁰¹ is an apocalyptic number.

It is an amenable number.

653601 is a deficient number, since it is larger than the sum of its proper divisors (284959).

653601 is a wasteful number, since it uses less digits than its factorization.

653601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16775.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 653601 is about 808.4559357194. The cubic root of 653601 is about 86.7835815251.

Adding to 653601 its reverse (106356), we get a palindrome (759957).

The spelling of 653601 in words is "six hundred fifty-three thousand, six hundred one".