340427249 has 2 divisors, whose sum is σ = 340427250. Its totient is φ = 340427248.

The previous prime is 340427233. The next prime is 340427273. The reversal of 340427249 is 942724043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309513649 + 30913600 = 17593^2 + 5560^2 .

It is a cyclic number.

It is not a de Polignac number, because 340427249 - 2⁴ = 340427233 is a prime.

It is not a weakly prime, because it can be changed into another prime (340427279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170213624 + 170213625.

It is an arithmetic number, because the mean of its divisors is an integer number (170213625).

Almost surely, 2^340427249 is an apocalyptic number.

It is an amenable number.

340427249 is a deficient number, since it is larger than the sum of its proper divisors (1).

340427249 is an equidigital number, since it uses as much as digits as its factorization.

340427249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 340427249 is about 18450.6706924166. The cubic root of 340427249 is about 698.2454350717.

The spelling of 340427249 in words is "three hundred forty million, four hundred twenty-seven thousand, two hundred forty-nine".