561022027 has 2 divisors, whose sum is σ = 561022028. Its totient is φ = 561022026.

The previous prime is 561021961. The next prime is 561022031. The reversal of 561022027 is 720220165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561022027 - 2⁷ = 561021899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561021992 and 561022010.

It is not a weakly prime, because it can be changed into another prime (561022067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280511013 + 280511014.

It is an arithmetic number, because the mean of its divisors is an integer number (280511014).

Almost surely, 2^561022027 is an apocalyptic number.

561022027 is a deficient number, since it is larger than the sum of its proper divisors (1).

561022027 is an equidigital number, since it uses as much as digits as its factorization.

561022027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 561022027 is about 23685.9035504242. The cubic root of 561022027 is about 824.7581915140.

The spelling of 561022027 in words is "five hundred sixty-one million, twenty-two thousand, twenty-seven".