516421514 has 8 divisors (see below), whose sum is σ = 885294048. Its totient is φ = 221323500.

The previous prime is 516421511. The next prime is 516421537. The reversal of 516421514 is 415124615.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516421511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18443612 + ... + 18443639.

It is an arithmetic number, because the mean of its divisors is an integer number (110661756).

Almost surely, 2^516421514 is an apocalyptic number.

516421514 is a deficient number, since it is larger than the sum of its proper divisors (368872534).

516421514 is a wasteful number, since it uses less digits than its factorization.

516421514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36887260.

The product of its digits is 4800, while the sum is 29.

The square root of 516421514 is about 22724.9095487749. The cubic root of 516421514 is about 802.2962744732.

The spelling of 516421514 in words is "five hundred sixteen million, four hundred twenty-one thousand, five hundred fourteen".