807050561 has 2 divisors, whose sum is σ = 807050562. Its totient is φ = 807050560.

The previous prime is 807050533. The next prime is 807050579. The reversal of 807050561 is 165050708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515290000 + 291760561 = 22700^2 + 17081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-807050561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (807050501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403525280 + 403525281.

It is an arithmetic number, because the mean of its divisors is an integer number (403525281).

Almost surely, 2^807050561 is an apocalyptic number.

It is an amenable number.

807050561 is a deficient number, since it is larger than the sum of its proper divisors (1).

807050561 is an equidigital number, since it uses as much as digits as its factorization.

807050561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 807050561 is about 28408.6353244924. The cubic root of 807050561 is about 931.0369445125.

The spelling of 807050561 in words is "eight hundred seven million, fifty thousand, five hundred sixty-one".