516127442 has 8 divisors (see below), whose sum is σ = 800887500. Its totient is φ = 249164944.

The previous prime is 516127441. The next prime is 516127459. The reversal of 516127442 is 244721615.

It can be written as a sum of positive squares in 2 ways, for example, as 483076441 + 33051001 = 21979^2 + 5749^2 .

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

It is a super-3 number, since 3×516127442³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516127399 and 516127408.

It is not an unprimeable number, because it can be changed into a prime (516127441) 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 3 ways as a sum of consecutive naturals, for example, 4449317 + ... + 4449432.

Almost surely, 2^516127442 is an apocalyptic number.

516127442 is a deficient number, since it is larger than the sum of its proper divisors (284760058).

516127442 is a wasteful number, since it uses less digits than its factorization.

516127442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898780.

The product of its digits is 13440, while the sum is 32.

The square root of 516127442 is about 22718.4383706275. The cubic root of 516127442 is about 802.1439585445.

The spelling of 516127442 in words is "five hundred sixteen million, one hundred twenty-seven thousand, four hundred forty-two".