767264549 has 2 divisors, whose sum is σ = 767264550. Its totient is φ = 767264548.

The previous prime is 767264489. The next prime is 767264551. The reversal of 767264549 is 945462767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 747639649 + 19624900 = 27343^2 + 4430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-767264549 is a prime.

Together with 767264551, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 767264497 and 767264506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (767264569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383632274 + 383632275.

It is an arithmetic number, because the mean of its divisors is an integer number (383632275).

Almost surely, 2^767264549 is an apocalyptic number.

It is an amenable number.

767264549 is a deficient number, since it is larger than the sum of its proper divisors (1).

767264549 is an equidigital number, since it uses as much as digits as its factorization.

767264549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The square root of 767264549 is about 27699.5405918582. The cubic root of 767264549 is about 915.4789808096.

The spelling of 767264549 in words is "seven hundred sixty-seven million, two hundred sixty-four thousand, five hundred forty-nine".