516261442 has 8 divisors (see below), whose sum is σ = 790868736. Its totient is φ = 252638532.

The previous prime is 516261439. The next prime is 516261443. The reversal of 516261442 is 244162615.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (516261443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2745978 + ... + 2746165.

It is an arithmetic number, because the mean of its divisors is an integer number (98858592).

Almost surely, 2^516261442 is an apocalyptic number.

516261442 is a deficient number, since it is larger than the sum of its proper divisors (274607294).

516261442 is a wasteful number, since it uses less digits than its factorization.

516261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492192.

The product of its digits is 11520, while the sum is 31.

The square root of 516261442 is about 22721.3873256014. The cubic root of 516261442 is about 802.2133716266.

The spelling of 516261442 in words is "five hundred sixteen million, two hundred sixty-one thousand, four hundred forty-two".