561332 has 6 divisors (see below), whose sum is σ = 982338. Its totient is φ = 280664.

The previous prime is 561313. The next prime is 561343. The reversal of 561332 is 233165.

It can be written as a sum of positive squares in only one way, i.e., 355216 + 206116 = 596^2 + 454^2 .

It is a super-2 number, since 2×561332² = 630187228448, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 561332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70163 + ... + 70170.

It is an arithmetic number, because the mean of its divisors is an integer number (163723).

2⁵⁶¹³³² is an apocalyptic number.

It is an amenable number.

561332 is a deficient number, since it is larger than the sum of its proper divisors (421006).

561332 is a wasteful number, since it uses less digits than its factorization.

561332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140337 (or 140335 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 561332 is about 749.2209286986. The cubic root of 561332 is about 82.4910060596.

Adding to 561332 its reverse (233165), we get a palindrome (794497).

The spelling of 561332 in words is "five hundred sixty-one thousand, three hundred thirty-two".