340302513 has 8 divisors (see below), whose sum is σ = 463390848. Its totient is φ = 222041264.

The previous prime is 340302511. The next prime is 340302541. The reversal of 340302513 is 315203043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340302513 - 2¹ = 340302511 is a 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 340302513.

It is not an unprimeable number, because it can be changed into a prime (340302511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206606 + ... + 1206887.

It is an arithmetic number, because the mean of its divisors is an integer number (57923856).

Almost surely, 2^340302513 is an apocalyptic number.

It is an amenable number.

340302513 is a deficient number, since it is larger than the sum of its proper divisors (123088335).

340302513 is a wasteful number, since it uses less digits than its factorization.

340302513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413543.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 340302513 is about 18447.2901261947. The cubic root of 340302513 is about 698.1601432483.

Adding to 340302513 its reverse (315203043), we get a palindrome (655505556).

The spelling of 340302513 in words is "three hundred forty million, three hundred two thousand, five hundred thirteen".