Adding to 2405 its reverse (5042), we get a palindrome (7447).
2405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
2405 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
2405 is an undulating number in base 8.
It is a nialpdrome in base 15 and base 16.
It is a congruent number.
It is an unprimeable number.
It is an amenable number.
2405 is a wasteful number, since it uses less digits than its factorization.
2405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55.
The square root of 2405 is about 49.0407993410. The cubic root of 2405 is about 13.3979502322.
The spelling of 2405 in words is "two thousand, four hundred five".