561712607 has 2 divisors, whose sum is σ = 561712608. Its totient is φ = 561712606.

The previous prime is 561712531. The next prime is 561712609. The reversal of 561712607 is 706217165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561712607 - 2²⁶ = 494603743 is a prime.

Together with 561712609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561712609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280856303 + 280856304.

It is an arithmetic number, because the mean of its divisors is an integer number (280856304).

Almost surely, 2^561712607 is an apocalyptic number.

561712607 is a deficient number, since it is larger than the sum of its proper divisors (1).

561712607 is an equidigital number, since it uses as much as digits as its factorization.

561712607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 561712607 is about 23700.4769361294. The cubic root of 561712607 is about 825.0964598570.

The spelling of 561712607 in words is "five hundred sixty-one million, seven hundred twelve thousand, six hundred seven".