561351532 has 24 divisors (see below), whose sum is σ = 1133201664. Its totient is φ = 238329552.

The previous prime is 561351529. The next prime is 561351533. The reversal of 561351532 is 235153165.

561351532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 561351494 and 561351503.

It is not an unprimeable number, because it can be changed into a prime (561351533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90688 + ... + 96679.

It is an arithmetic number, because the mean of its divisors is an integer number (47216736).

Almost surely, 2^561351532 is an apocalyptic number.

It is an amenable number.

561351532 is an abundant number, since it is smaller than the sum of its proper divisors (571850132).

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

561351532 is a wasteful number, since it uses less digits than its factorization.

561351532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187485 (or 187483 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 561351532 is about 23692.8582488479. The cubic root of 561351532 is about 824.9196282892.

The spelling of 561351532 in words is "five hundred sixty-one million, three hundred fifty-one thousand, five hundred thirty-two".