561376267 has 2 divisors, whose sum is σ = 561376268. Its totient is φ = 561376266.

The previous prime is 561376243. The next prime is 561376279. The reversal of 561376267 is 762673165.

561376267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561376267 - 2⁷ = 561376139 is a prime.

It is not a weakly prime, because it can be changed into another prime (561376217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280688133 + 280688134.

It is an arithmetic number, because the mean of its divisors is an integer number (280688134).

Almost surely, 2^561376267 is an apocalyptic number.

561376267 is a deficient number, since it is larger than the sum of its proper divisors (1).

561376267 is an equidigital number, since it uses as much as digits as its factorization.

561376267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 561376267 is about 23693.3802358380. The cubic root of 561376267 is about 824.9317443378.

The spelling of 561376267 in words is "five hundred sixty-one million, three hundred seventy-six thousand, two hundred sixty-seven".