340801481 has 2 divisors, whose sum is σ = 340801482. Its totient is φ = 340801480.

The previous prime is 340801477. The next prime is 340801543. The reversal of 340801481 is 184108043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288456256 + 52345225 = 16984^2 + 7235^2 .

It is a cyclic number.

It is not a de Polignac number, because 340801481 - 2² = 340801477 is a prime.

It is a super-2 number, since 2×340801481² = 232291298903586722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (340801421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170400740 + 170400741.

It is an arithmetic number, because the mean of its divisors is an integer number (170400741).

Almost surely, 2^340801481 is an apocalyptic number.

It is an amenable number.

340801481 is a deficient number, since it is larger than the sum of its proper divisors (1).

340801481 is an equidigital number, since it uses as much as digits as its factorization.

340801481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 340801481 is about 18460.8093267874. The cubic root of 340801481 is about 698.5012019976.

The spelling of 340801481 in words is "three hundred forty million, eight hundred one thousand, four hundred eighty-one".