561267252383 has 2 divisors, whose sum is σ = 561267252384. Its totient is φ = 561267252382.

The previous prime is 561267252361. The next prime is 561267252397. The reversal of 561267252383 is 383252762165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561267252383 - 2⁸ = 561267252127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561267252353) 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, 280633626191 + 280633626192.

It is an arithmetic number, because the mean of its divisors is an integer number (280633626192).

Almost surely, 2^561267252383 is an apocalyptic number.

561267252383 is a deficient number, since it is larger than the sum of its proper divisors (1).

561267252383 is an equidigital number, since it uses as much as digits as its factorization.

561267252383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 561267252383 in words is "five hundred sixty-one billion, two hundred sixty-seven million, two hundred fifty-two thousand, three hundred eighty-three".