516607442 has 16 divisors (see below), whose sum is σ = 843900120. Its totient is φ = 235754112.

The previous prime is 516607417. The next prime is 516607457. The reversal of 516607442 is 244706615.

It is a Cunningham number, because it is equal to 22729²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 290736601 + 225870841 = 17051^2 + 15029^2 .

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, 109313 + ... + 113940.

Almost surely, 2^516607442 is an apocalyptic number.

516607442 is a deficient number, since it is larger than the sum of its proper divisors (327292678).

516607442 is a wasteful number, since it uses less digits than its factorization.

516607442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223357.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 516607442 is about 22729.0000219983. Note that the first 4 decimals coincide. The cubic root of 516607442 is about 802.3925468911.

The spelling of 516607442 in words is "five hundred sixteen million, six hundred seven thousand, four hundred forty-two".