334720513 has 4 divisors (see below), whose sum is σ = 336590640. Its totient is φ = 332850388.

The previous prime is 334720469. The next prime is 334720553. The reversal of 334720513 is 315027433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 334720513 - 2¹³ = 334712321 is a prime.

It is a super-2 number, since 2×334720513² = 224075643645966338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334720553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934795 + ... + 935152.

It is an arithmetic number, because the mean of its divisors is an integer number (84147660).

Almost surely, 2^334720513 is an apocalyptic number.

It is an amenable number.

334720513 is a deficient number, since it is larger than the sum of its proper divisors (1870127).

334720513 is a wasteful number, since it uses less digits than its factorization.

334720513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870126.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 334720513 is about 18295.3686215938. The cubic root of 334720513 is about 694.3217598757.

Adding to 334720513 its reverse (315027433), we get a palindrome (649747946).

The spelling of 334720513 in words is "three hundred thirty-four million, seven hundred twenty thousand, five hundred thirteen".