655231032 has 112 divisors (see below), whose sum is σ = 1853159640. Its totient is φ = 217090368.

The previous prime is 655231019. The next prime is 655231063. The reversal of 655231032 is 230132556.

655231032 is a `hidden beast` number, since 6 + 552 + 3 + 103 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 655230987 and 655231005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1650258 + ... + 1650654.

Almost surely, 2^655231032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655231032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926579820).

655231032 is an abundant number, since it is smaller than the sum of its proper divisors (1197928608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655231032 is a wasteful number, since it uses less digits than its factorization.

655231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 655231032 is about 25597.4809698142. The cubic root of 655231032 is about 868.5566555432.

Adding to 655231032 its reverse (230132556), we get a palindrome (885363588).

The spelling of 655231032 in words is "six hundred fifty-five million, two hundred thirty-one thousand, thirty-two".