341540509 has 2 divisors, whose sum is σ = 341540510. Its totient is φ = 341540508.

The previous prime is 341540477. The next prime is 341540581. The reversal of 341540509 is 905045143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305480484 + 36060025 = 17478^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 341540509 - 2⁵ = 341540477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341543509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170770254 + 170770255.

It is an arithmetic number, because the mean of its divisors is an integer number (170770255).

Almost surely, 2^341540509 is an apocalyptic number.

It is an amenable number.

341540509 is a deficient number, since it is larger than the sum of its proper divisors (1).

341540509 is an equidigital number, since it uses as much as digits as its factorization.

341540509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 341540509 is about 18480.8146194912. The cubic root of 341540509 is about 699.0057374224.

The spelling of 341540509 in words is "three hundred forty-one million, five hundred forty thousand, five hundred nine".