561465332 has 6 divisors (see below), whose sum is σ = 982564338. Its totient is φ = 280732664.

The previous prime is 561465323. The next prime is 561465353. The reversal of 561465332 is 233564165.

It can be written as a sum of positive squares in only one way, i.e., 547372816 + 14092516 = 23396^2 + 3754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 561465292 and 561465301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70183163 + ... + 70183170.

It is an arithmetic number, because the mean of its divisors is an integer number (163760723).

Almost surely, 2^561465332 is an apocalyptic number.

It is an amenable number.

561465332 is a deficient number, since it is larger than the sum of its proper divisors (421099006).

561465332 is a wasteful number, since it uses less digits than its factorization.

561465332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140366337 (or 140366335 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 561465332 is about 23695.2596947153. The cubic root of 561465332 is about 824.9753684718.

The spelling of 561465332 in words is "five hundred sixty-one million, four hundred sixty-five thousand, three hundred thirty-two".