561233527 has 2 divisors, whose sum is σ = 561233528. Its totient is φ = 561233526.

The previous prime is 561233521. The next prime is 561233539. The reversal of 561233527 is 725332165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561233527 - 2¹¹ = 561231479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561233492 and 561233501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561233521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280616763 + 280616764.

It is an arithmetic number, because the mean of its divisors is an integer number (280616764).

Almost surely, 2^561233527 is an apocalyptic number.

561233527 is a deficient number, since it is larger than the sum of its proper divisors (1).

561233527 is an equidigital number, since it uses as much as digits as its factorization.

561233527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 561233527 is about 23690.3678105681. The cubic root of 561233527 is about 824.8618205062.

The spelling of 561233527 in words is "five hundred sixty-one million, two hundred thirty-three thousand, five hundred twenty-seven".