340481 has 2 divisors, whose sum is σ = 340482. Its totient is φ = 340480.

The previous prime is 340477. The next prime is 340519. The reversal of 340481 is 184043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 128881 = 460^2 + 359^2 .

It is an emirp because it is prime and its reverse (184043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340481 - 2² = 340477 is a prime.

It is a super-2 number, since 2×340481² = 231854622722, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340481.

It is not a weakly prime, because it can be changed into another prime (340451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170240 + 170241.

It is an arithmetic number, because the mean of its divisors is an integer number (170241).

2³⁴⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

340481 is a deficient number, since it is larger than the sum of its proper divisors (1).

340481 is an equidigital number, since it uses as much as digits as its factorization.

340481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 340481 is about 583.5074978096. The cubic root of 340481 is about 69.8282182439.

The spelling of 340481 in words is "three hundred forty thousand, four hundred eighty-one".