775349 has 2 divisors, whose sum is σ = 775350. Its totient is φ = 775348.

The previous prime is 775343. The next prime is 775361. The reversal of 775349 is 943577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600625 + 174724 = 775^2 + 418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-775349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387674 + 387675.

It is an arithmetic number, because the mean of its divisors is an integer number (387675).

2⁷⁷⁵³⁴⁹ is an apocalyptic number.

It is an amenable number.

775349 is a deficient number, since it is larger than the sum of its proper divisors (1).

775349 is an equidigital number, since it uses as much as digits as its factorization.

775349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 775349 is about 880.5390394525. The cubic root of 775349 is about 91.8683134875.

The spelling of 775349 in words is "seven hundred seventy-five thousand, three hundred forty-nine".