340045513 has 16 divisors (see below), whose sum is σ = 353590272. Its totient is φ = 326800000.

The previous prime is 340045499. The next prime is 340045549. The reversal of 340045513 is 315540043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340045513 is a prime.

It is a super-2 number, since 2×340045513² = 231261901822866338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340045553) 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 15 ways as a sum of consecutive naturals, for example, 1354638 + ... + 1354888.

It is an arithmetic number, because the mean of its divisors is an integer number (22099392).

Almost surely, 2^340045513 is an apocalyptic number.

It is an amenable number.

340045513 is a deficient number, since it is larger than the sum of its proper divisors (13544759).

340045513 is a wasteful number, since it uses less digits than its factorization.

340045513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 340045513 is about 18440.3230177782. The cubic root of 340045513 is about 697.9843463839.

Adding to 340045513 its reverse (315540043), we get a palindrome (655585556).

The spelling of 340045513 in words is "three hundred forty million, forty-five thousand, five hundred thirteen".