655132101 has 32 divisors (see below), whose sum is σ = 971593728. Its totient is φ = 390044160.

The previous prime is 655132061. The next prime is 655132117. The reversal of 655132101 is 101231556.

It is not a de Polignac number, because 655132101 - 2⁷ = 655131973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655139101) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 274425 + ... + 276801.

It is an arithmetic number, because the mean of its divisors is an integer number (30362304).

Almost surely, 2^655132101 is an apocalyptic number.

It is an amenable number.

655132101 is a deficient number, since it is larger than the sum of its proper divisors (316461627).

655132101 is a wasteful number, since it uses less digits than its factorization.

655132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 655132101 is about 25595.5484606210. The cubic root of 655132101 is about 868.5129399176.

Adding to 655132101 its reverse (101231556), we get a palindrome (756363657).

The spelling of 655132101 in words is "six hundred fifty-five million, one hundred thirty-two thousand, one hundred one".