653541 has 8 divisors (see below), whose sum is σ = 995904. Its totient is φ = 373440.

The previous prime is 653539. The next prime is 653561. The reversal of 653541 is 145356.

653541 is digitally balanced in base 7, 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 653541 - 2¹ = 653539 is a prime.

653541 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653501) 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, 15540 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

2⁶⁵³⁵⁴¹ is an apocalyptic number.

It is an amenable number.

653541 is a deficient number, since it is larger than the sum of its proper divisors (342363).

653541 is a wasteful number, since it uses less digits than its factorization.

653541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31131.

The product of its digits is 1800, while the sum is 24.

The square root of 653541 is about 808.4188270940. The cubic root of 653541 is about 86.7809258916.

Adding to 653541 its reverse (145356), we get a palindrome (798897).

The spelling of 653541 in words is "six hundred fifty-three thousand, five hundred forty-one".