516255393 has 8 divisors (see below), whose sum is σ = 692564128. Its totient is φ = 342058464.

The previous prime is 516255391. The next prime is 516255409. The reversal of 516255393 is 393552615.

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

It is not a de Polignac number, because 516255393 - 2¹ = 516255391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516255391) 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, 527380 + ... + 528357.

It is an arithmetic number, because the mean of its divisors is an integer number (86570516).

Almost surely, 2^516255393 is an apocalyptic number.

It is an amenable number.

516255393 is a deficient number, since it is larger than the sum of its proper divisors (176308735).

516255393 is a wasteful number, since it uses less digits than its factorization.

516255393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055903.

The product of its digits is 121500, while the sum is 39.

The square root of 516255393 is about 22721.2542127410. The cubic root of 516255393 is about 802.2102384547.

The spelling of 516255393 in words is "five hundred sixteen million, two hundred fifty-five thousand, three hundred ninety-three".