340045697 has 2 divisors, whose sum is σ = 340045698. Its totient is φ = 340045696.

The previous prime is 340045691. The next prime is 340045723. The reversal of 340045697 is 796540043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332734081 + 7311616 = 18241^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 340045697 - 2⁴ = 340045681 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340045697.

It is not a weakly prime, because it can be changed into another prime (340045691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170022848 + 170022849.

It is an arithmetic number, because the mean of its divisors is an integer number (170022849).

Almost surely, 2^340045697 is an apocalyptic number.

It is an amenable number.

340045697 is a deficient number, since it is larger than the sum of its proper divisors (1).

340045697 is an equidigital number, since it uses as much as digits as its factorization.

340045697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 340045697 is about 18440.3280068441. The cubic root of 340045697 is about 697.9844722780.

The spelling of 340045697 in words is "three hundred forty million, forty-five thousand, six hundred ninety-seven".