561232 has 20 divisors (see below), whose sum is σ = 1242976. Its totient is φ = 240480.

The previous prime is 561229. The next prime is 561251. The reversal of 561232 is 232165.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2394 + ... + 2617.

2⁵⁶¹²³² is an apocalyptic number.

It is an amenable number.

561232 is an abundant number, since it is smaller than the sum of its proper divisors (681744).

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

561232 is a wasteful number, since it uses less digits than its factorization.

561232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026 (or 5020 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 561232 is about 749.1541897367. The cubic root of 561232 is about 82.4861072413.

Adding to 561232 its reverse (232165), we get a palindrome (793397).

The spelling of 561232 in words is "five hundred sixty-one thousand, two hundred thirty-two".