561710767 has 2 divisors, whose sum is σ = 561710768. Its totient is φ = 561710766.

The previous prime is 561710729. The next prime is 561710803. The reversal of 561710767 is 767017165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561710767 - 2²⁷ = 427493039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561710707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280855383 + 280855384.

It is an arithmetic number, because the mean of its divisors is an integer number (280855384).

Almost surely, 2^561710767 is an apocalyptic number.

561710767 is a deficient number, since it is larger than the sum of its proper divisors (1).

561710767 is an equidigital number, since it uses as much as digits as its factorization.

561710767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 561710767 is about 23700.4381183133. The cubic root of 561710767 is about 825.0955589341.

It can be divided in two parts, 5617 and 10767, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 561710767 in words is "five hundred sixty-one million, seven hundred ten thousand, seven hundred sixty-seven".