561126383 has 2 divisors, whose sum is σ = 561126384. Its totient is φ = 561126382.

The previous prime is 561126353. The next prime is 561126409. The reversal of 561126383 is 383621165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561126383 - 2¹⁴ = 561109999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561126343) by changing a digit.

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, 280563191 + 280563192.

It is an arithmetic number, because the mean of its divisors is an integer number (280563192).

Almost surely, 2^561126383 is an apocalyptic number.

561126383 is a deficient number, since it is larger than the sum of its proper divisors (1).

561126383 is an equidigital number, since it uses as much as digits as its factorization.

561126383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 561126383 is about 23688.1063616322. The cubic root of 561126383 is about 824.8093262441.

The spelling of 561126383 in words is "five hundred sixty-one million, one hundred twenty-six thousand, three hundred eighty-three".