340511617 has 2 divisors, whose sum is σ = 340511618. Its totient is φ = 340511616.

The previous prime is 340511603. The next prime is 340511627. The reversal of 340511617 is 716115043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328008321 + 12503296 = 18111^2 + 3536^2 .

It is a cyclic number.

It is not a de Polignac number, because 340511617 - 2⁷ = 340511489 is a prime.

It is a super-2 number, since 2×340511617² = 231896322623909378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340511627) 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, 170255808 + 170255809.

It is an arithmetic number, because the mean of its divisors is an integer number (170255809).

Almost surely, 2^340511617 is an apocalyptic number.

It is an amenable number.

340511617 is a deficient number, since it is larger than the sum of its proper divisors (1).

340511617 is an equidigital number, since it uses as much as digits as its factorization.

340511617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 340511617 is about 18452.9568633322. The cubic root of 340511617 is about 698.3031123045.

The spelling of 340511617 in words is "three hundred forty million, five hundred eleven thousand, six hundred seventeen".