343534013 has 2 divisors, whose sum is σ = 343534014. Its totient is φ = 343534012.

The previous prime is 343534001. The next prime is 343534043. The reversal of 343534013 is 310435343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325910809 + 17623204 = 18053^2 + 4198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343534013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343534043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171767006 + 171767007.

It is an arithmetic number, because the mean of its divisors is an integer number (171767007).

Almost surely, 2^343534013 is an apocalyptic number.

It is an amenable number.

343534013 is a deficient number, since it is larger than the sum of its proper divisors (1).

343534013 is an equidigital number, since it uses as much as digits as its factorization.

343534013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 343534013 is about 18534.6705662658. The cubic root of 343534013 is about 700.3630857867.

Adding to 343534013 its reverse (310435343), we get a palindrome (653969356).

The spelling of 343534013 in words is "three hundred forty-three million, five hundred thirty-four thousand, thirteen".