516230397 has 6 divisors (see below), whose sum is σ = 745666142. Its totient is φ = 344153592.

The previous prime is 516230357. The next prime is 516230419. The reversal of 516230397 is 793032615.

It can be written as a sum of positive squares in only one way, i.e., 380601081 + 135629316 = 19509^2 + 11646^2 .

It is not a de Polignac number, because 516230397 - 2⁷ = 516230269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516230357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28679458 + ... + 28679475.

Almost surely, 2^516230397 is an apocalyptic number.

It is an amenable number.

516230397 is a deficient number, since it is larger than the sum of its proper divisors (229435745).

516230397 is a wasteful number, since it uses less digits than its factorization.

516230397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57358939 (or 57358936 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 516230397 is about 22720.7041484193. The cubic root of 516230397 is about 802.1972911350.

The spelling of 516230397 in words is "five hundred sixteen million, two hundred thirty thousand, three hundred ninety-seven".