775050061 has 2 divisors, whose sum is σ = 775050062. Its totient is φ = 775050060.

The previous prime is 775050049. The next prime is 775050091. The reversal of 775050061 is 160050577.

775050061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405257161 + 369792900 = 20131^2 + 19230^2 .

It is a cyclic number.

It is not a de Polignac number, because 775050061 - 2²⁷ = 640832333 is a prime.

It is a super-2 number, since 2×775050061² = 1201405194112207442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775050041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387525030 + 387525031.

It is an arithmetic number, because the mean of its divisors is an integer number (387525031).

Almost surely, 2^775050061 is an apocalyptic number.

It is an amenable number.

775050061 is a deficient number, since it is larger than the sum of its proper divisors (1).

775050061 is an equidigital number, since it uses as much as digits as its factorization.

775050061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 775050061 is about 27839.7209217334. The cubic root of 775050061 is about 918.5650523426.

The spelling of 775050061 in words is "seven hundred seventy-five million, fifty thousand, sixty-one".