It is a happy number.
761 is nontrivially palindromic in base 12.
It is a weak prime.
It is a cyclic number.
It is a Sophie Germain prime.
It is a Chen prime.
It is an alternating number because its digits alternate between odd and even.
761 is an undulating number in base 12.
It is a Curzon number.
It is a plaindrome in base 13 and base 15.
It is a nialpdrome in base 10 and base 11.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 761.
761 is the 20-th centered square number.
It is an amenable number.
761 is an equidigital number, since it uses as much as digits as its factorization.
761 is an odious number, because the sum of its binary digits is odd.
The square root of 761 is about 27.5862284483. The cubic root of 761 is about 9.1298060627.
The spelling of 761 in words is "seven hundred sixty-one", and is thus an aban number.