340326513 has 12 divisors (see below), whose sum is σ = 508534260. Its totient is φ = 219060576.

The previous prime is 340326509. The next prime is 340326521. The reversal of 340326513 is 315623043.

It is a happy number.

340326513 is a `hidden beast` number, since 3 + 4 + 0 + 3 + 2 + 651 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198049329 + 142277184 = 14073^2 + 11928^2 .

It is not a de Polignac number, because 340326513 - 2² = 340326509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340326533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651706 + ... + 652227.

It is an arithmetic number, because the mean of its divisors is an integer number (42377855).

Almost surely, 2^340326513 is an apocalyptic number.

It is an amenable number.

340326513 is a deficient number, since it is larger than the sum of its proper divisors (168207747).

340326513 is a wasteful number, since it uses less digits than its factorization.

340326513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303968 (or 1303965 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 340326513 is about 18447.9406167735. The cubic root of 340326513 is about 698.1765555569.

Adding to 340326513 its reverse (315623043), we get a palindrome (655949556).

The spelling of 340326513 in words is "three hundred forty million, three hundred twenty-six thousand, five hundred thirteen".