653106632 has 8 divisors (see below), whose sum is σ = 1224574950. Its totient is φ = 326553312.

The previous prime is 653106631. The next prime is 653106673. The reversal of 653106632 is 236601356.

It can be written as a sum of positive squares in only one way, i.e., 402644356 + 250462276 = 20066^2 + 15826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (653106631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40819157 + ... + 40819172.

Almost surely, 2^653106632 is an apocalyptic number.

It is an amenable number.

653106632 is a deficient number, since it is larger than the sum of its proper divisors (571468318).

653106632 is a wasteful number, since it uses less digits than its factorization.

653106632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81638335 (or 81638331 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 653106632 is about 25555.9510095007. The cubic root of 653106632 is about 867.6169567166.

Adding to 653106632 its reverse (236601356), we get a palindrome (889707988).

The spelling of 653106632 in words is "six hundred fifty-three million, one hundred six thousand, six hundred thirty-two".