771260201 has 2 divisors, whose sum is σ = 771260202. Its totient is φ = 771260200.

The previous prime is 771260159. The next prime is 771260209. The reversal of 771260201 is 102062177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686178025 + 85082176 = 26195^2 + 9224^2 .

It is a cyclic number.

It is not a de Polignac number, because 771260201 - 2²⁶ = 704151337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (771260209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385630100 + 385630101.

It is an arithmetic number, because the mean of its divisors is an integer number (385630101).

Almost surely, 2^771260201 is an apocalyptic number.

It is an amenable number.

771260201 is a deficient number, since it is larger than the sum of its proper divisors (1).

771260201 is an equidigital number, since it uses as much as digits as its factorization.

771260201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 771260201 is about 27771.5718136371. The cubic root of 771260201 is about 917.0653975472.

The spelling of 771260201 in words is "seven hundred seventy-one million, two hundred sixty thousand, two hundred one".