340681567 has 2 divisors, whose sum is σ = 340681568. Its totient is φ = 340681566.

The previous prime is 340681507. The next prime is 340681591. The reversal of 340681567 is 765186043.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (765186043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340681567 - 2¹⁵ = 340648799 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 (340681507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170340783 + 170340784.

It is an arithmetic number, because the mean of its divisors is an integer number (170340784).

Almost surely, 2^340681567 is an apocalyptic number.

340681567 is a deficient number, since it is larger than the sum of its proper divisors (1).

340681567 is an equidigital number, since it uses as much as digits as its factorization.

340681567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 340681567 is about 18457.5612419409. The cubic root of 340681567 is about 698.4192677889.

The spelling of 340681567 in words is "three hundred forty million, six hundred eighty-one thousand, five hundred sixty-seven".