653509883 has 32 divisors (see below), whose sum is σ = 759628800. Its totient is φ = 557197056.

The previous prime is 653509877. The next prime is 653509919. The reversal of 653509883 is 388905356.

It is a happy number.

It is not a de Polignac number, because 653509883 - 2¹⁸ = 653247739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653505883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2087735 + ... + 2088047.

It is an arithmetic number, because the mean of its divisors is an integer number (23738400).

Almost surely, 2^653509883 is an apocalyptic number.

653509883 is a deficient number, since it is larger than the sum of its proper divisors (106118917).

653509883 is a wasteful number, since it uses less digits than its factorization.

653509883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 653509883 is about 25563.8393634446. The cubic root of 653509883 is about 867.7954857174.

The spelling of 653509883 in words is "six hundred fifty-three million, five hundred nine thousand, eight hundred eighty-three".