653541530 has 16 divisors (see below), whose sum is σ = 1182949920. Its totient is φ = 259955472.

The previous prime is 653541529. The next prime is 653541547. The reversal of 653541530 is 35145356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180764 + ... + 184343.

It is an arithmetic number, because the mean of its divisors is an integer number (73934370).

Almost surely, 2^653541530 is an apocalyptic number.

653541530 is a deficient number, since it is larger than the sum of its proper divisors (529408390).

653541530 is a wasteful number, since it uses less digits than its factorization.

653541530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365293.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 653541530 is about 25564.4583357442. The cubic root of 653541530 is about 867.8094935037.

Adding to 653541530 its reverse (35145356), we get a palindrome (688686886).

The spelling of 653541530 in words is "six hundred fifty-three million, five hundred forty-one thousand, five hundred thirty".