343574009 has 2 divisors, whose sum is σ = 343574010. Its totient is φ = 343574008.

The previous prime is 343573987. The next prime is 343574027. The reversal of 343574009 is 900475343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189888400 + 153685609 = 13780^2 + 12397^2 .

It is an emirp because it is prime and its reverse (900475343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343574009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 343574009.

It is not a weakly prime, because it can be changed into another prime (343574809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171787004 + 171787005.

It is an arithmetic number, because the mean of its divisors is an integer number (171787005).

Almost surely, 2^343574009 is an apocalyptic number.

It is an amenable number.

343574009 is a deficient number, since it is larger than the sum of its proper divisors (1).

343574009 is an equidigital number, since it uses as much as digits as its factorization.

343574009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 343574009 is about 18535.7494857910. The cubic root of 343574009 is about 700.3902646917.

The spelling of 343574009 in words is "three hundred forty-three million, five hundred seventy-four thousand, nine".