655232 has 16 divisors (see below), whose sum is σ = 1305600. Its totient is φ = 327552.

The previous prime is 655229. The next prime is 655241. The reversal of 655232 is 232556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 655198 and 655207.

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 as a sum of consecutive naturals, namely, 2432 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (81600).

2⁶⁵⁵²³² is an apocalyptic number.

It is an amenable number.

655232 is a deficient number, since it is larger than the sum of its proper divisors (650368).

655232 is an equidigital number, since it uses as much as digits as its factorization.

655232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5121 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 655232 is about 809.4640202010. The cubic root of 655232 is about 86.8557083261.

Adding to 655232 its reverse (232556), we get a palindrome (887788).

The spelling of 655232 in words is "six hundred fifty-five thousand, two hundred thirty-two".