340534291 has 2 divisors, whose sum is σ = 340534292. Its totient is φ = 340534290.

The previous prime is 340534279. The next prime is 340534333. The reversal of 340534291 is 192435043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340534291 - 2⁹ = 340533779 is a prime.

It is not a weakly prime, because it can be changed into another prime (340534231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170267145 + 170267146.

It is an arithmetic number, because the mean of its divisors is an integer number (170267146).

Almost surely, 2^340534291 is an apocalyptic number.

340534291 is a deficient number, since it is larger than the sum of its proper divisors (1).

340534291 is an equidigital number, since it uses as much as digits as its factorization.

340534291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 340534291 is about 18453.5712261882. The cubic root of 340534291 is about 698.3186115048.

The spelling of 340534291 in words is "three hundred forty million, five hundred thirty-four thousand, two hundred ninety-one".