766484249 has 2 divisors, whose sum is σ = 766484250. Its totient is φ = 766484248.

The previous prime is 766484237. The next prime is 766484273. The reversal of 766484249 is 942484667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 623251225 + 143233024 = 24965^2 + 11968^2 .

It is an emirp because it is prime and its reverse (942484667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766484249 - 2¹² = 766480153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 766484197 and 766484206.

It is not a weakly prime, because it can be changed into another prime (766484209) 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, 383242124 + 383242125.

It is an arithmetic number, because the mean of its divisors is an integer number (383242125).

Almost surely, 2^766484249 is an apocalyptic number.

It is an amenable number.

766484249 is a deficient number, since it is larger than the sum of its proper divisors (1).

766484249 is an equidigital number, since it uses as much as digits as its factorization.

766484249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 50.

The square root of 766484249 is about 27685.4519377958. The cubic root of 766484249 is about 915.1685313703.

The spelling of 766484249 in words is "seven hundred sixty-six million, four hundred eighty-four thousand, two hundred forty-nine".