775146941 has 2 divisors, whose sum is σ = 775146942. Its totient is φ = 775146940.

The previous prime is 775146937. The next prime is 775146949. The reversal of 775146941 is 149641577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 639331225 + 135815716 = 25285^2 + 11654^2 .

It is an emirp because it is prime and its reverse (149641577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 775146941 - 2² = 775146937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775146892 and 775146901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775146949) 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, 387573470 + 387573471.

It is an arithmetic number, because the mean of its divisors is an integer number (387573471).

Almost surely, 2^775146941 is an apocalyptic number.

It is an amenable number.

775146941 is a deficient number, since it is larger than the sum of its proper divisors (1).

775146941 is an equidigital number, since it uses as much as digits as its factorization.

775146941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 775146941 is about 27841.4608273345. The cubic root of 775146941 is about 918.6033237950.

The spelling of 775146941 in words is "seven hundred seventy-five million, one hundred forty-six thousand, nine hundred forty-one".