516251242 has 16 divisors (see below), whose sum is σ = 877836960. Its totient is φ = 225729072.

The previous prime is 516251231. The next prime is 516251251. The reversal of 516251242 is 242152615.

It is a super-3 number, since 3×516251242³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516251242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 522028 + ... + 523015.

It is an arithmetic number, because the mean of its divisors is an integer number (54864810).

Almost surely, 2^516251242 is an apocalyptic number.

516251242 is a deficient number, since it is larger than the sum of its proper divisors (361585718).

516251242 is a wasteful number, since it uses less digits than its factorization.

516251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045077.

The product of its digits is 4800, while the sum is 28.

The square root of 516251242 is about 22721.1628663676. The cubic root of 516251242 is about 802.2080883666.

The spelling of 516251242 in words is "five hundred sixteen million, two hundred fifty-one thousand, two hundred forty-two".