805950641 has 2 divisors, whose sum is σ = 805950642. Its totient is φ = 805950640.

The previous prime is 805950623. The next prime is 805950647. The reversal of 805950641 is 146059508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478340641 + 327610000 = 21871^2 + 18100^2 .

It is a cyclic number.

It is not a de Polignac number, because 805950641 - 2⁶ = 805950577 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 805950595 and 805950604.

It is not a weakly prime, because it can be changed into another prime (805950647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402975320 + 402975321.

It is an arithmetic number, because the mean of its divisors is an integer number (402975321).

Almost surely, 2^805950641 is an apocalyptic number.

It is an amenable number.

805950641 is a deficient number, since it is larger than the sum of its proper divisors (1).

805950641 is an equidigital number, since it uses as much as digits as its factorization.

805950641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 805950641 is about 28389.2698215364. The cubic root of 805950641 is about 930.6137856724.

The spelling of 805950641 in words is "eight hundred five million, nine hundred fifty thousand, six hundred forty-one".