3565225709 has 2 divisors, whose sum is σ = 3565225710. Its totient is φ = 3565225708.

The previous prime is 3565225667. The next prime is 3565225717. The reversal of 3565225709 is 9075225653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3487256809 + 77968900 = 59053^2 + 8830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3565225709 - 2¹⁶ = 3565160173 is a prime.

It is a super-2 number, since 2×3565225709² = 25421668712229105362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3565225709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3565225789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1782612854 + 1782612855.

It is an arithmetic number, because the mean of its divisors is an integer number (1782612855).

Almost surely, 2^3565225709 is an apocalyptic number.

It is an amenable number.

3565225709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3565225709 is an equidigital number, since it uses as much as digits as its factorization.

3565225709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 3565225709 is about 59709.5110430491. The cubic root of 3565225709 is about 1527.6680995005.

The spelling of 3565225709 in words is "three billion, five hundred sixty-five million, two hundred twenty-five thousand, seven hundred nine".