516238329 has 4 divisors (see below), whose sum is σ = 688317776. Its totient is φ = 344158884.

The previous prime is 516238321. The next prime is 516238343. The reversal of 516238329 is 923832615.

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 not a de Polignac number, because 516238329 - 2³ = 516238321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516238321) 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, 86039719 + ... + 86039724.

It is an arithmetic number, because the mean of its divisors is an integer number (172079444).

Almost surely, 2^516238329 is an apocalyptic number.

It is an amenable number.

516238329 is a deficient number, since it is larger than the sum of its proper divisors (172079447).

516238329 is a wasteful number, since it uses less digits than its factorization.

516238329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172079446.

The product of its digits is 77760, while the sum is 39.

The square root of 516238329 is about 22720.8787021981. The cubic root of 516238329 is about 802.2013997633.

The spelling of 516238329 in words is "five hundred sixteen million, two hundred thirty-eight thousand, three hundred twenty-nine".