334540513 has 4 divisors (see below), whose sum is σ = 334635268. Its totient is φ = 334445760.

The previous prime is 334540483. The next prime is 334540537. The reversal of 334540513 is 315045433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315045433 = 673 ⋅468121.

It can be written as a sum of positive squares in 2 ways, for example, as 121176064 + 213364449 = 11008^2 + 14607^2 .

It is a cyclic number.

It is not a de Polignac number, because 334540513 - 2¹³ = 334532321 is a prime.

It is a super-2 number, since 2×334540513² = 223834709676606338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334540573) 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, 41868 + ... + 49213.

It is an arithmetic number, because the mean of its divisors is an integer number (83658817).

Almost surely, 2^334540513 is an apocalyptic number.

It is an amenable number.

334540513 is a deficient number, since it is larger than the sum of its proper divisors (94755).

334540513 is an equidigital number, since it uses as much as digits as its factorization.

334540513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94754.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 334540513 is about 18290.4486823041. The cubic root of 334540513 is about 694.1972775873.

Adding to 334540513 its reverse (315045433), we get a palindrome (649585946).

It can be divided in two parts, 3 and 34540513, that added together give a triangular number (34540516 = T₈₃₁₁).

The spelling of 334540513 in words is "three hundred thirty-four million, five hundred forty thousand, five hundred thirteen".