653529543 has 4 divisors (see below), whose sum is σ = 871372728. Its totient is φ = 435686360.

The previous prime is 653529533. The next prime is 653529559. The reversal of 653529543 is 345925356.

It is a happy number.

653529543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 653529543 - 2⁶ = 653529479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653529495 and 653529504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653529533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108921588 + ... + 108921593.

It is an arithmetic number, because the mean of its divisors is an integer number (217843182).

Almost surely, 2^653529543 is an apocalyptic number.

653529543 is a deficient number, since it is larger than the sum of its proper divisors (217843185).

653529543 is a wasteful number, since it uses less digits than its factorization.

653529543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217843184.

The product of its digits is 486000, while the sum is 42.

The square root of 653529543 is about 25564.2238880823. The cubic root of 653529543 is about 867.8041877986.

The spelling of 653529543 in words is "six hundred fifty-three million, five hundred twenty-nine thousand, five hundred forty-three".