516739651 has 4 divisors (see below), whose sum is σ = 533408704. Its totient is φ = 500070600.

The previous prime is 516739649. The next prime is 516739697. The reversal of 516739651 is 156937615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516739651 - 2¹ = 516739649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516739598 and 516739607.

It is not an unprimeable number, because it can be changed into a prime (516739631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8334480 + ... + 8334541.

It is an arithmetic number, because the mean of its divisors is an integer number (133352176).

Almost surely, 2^516739651 is an apocalyptic number.

516739651 is a deficient number, since it is larger than the sum of its proper divisors (16669053).

516739651 is a wasteful number, since it uses less digits than its factorization.

516739651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669052.

The product of its digits is 170100, while the sum is 43.

The square root of 516739651 is about 22731.9082129064. The cubic root of 516739651 is about 802.4609898772.

The spelling of 516739651 in words is "five hundred sixteen million, seven hundred thirty-nine thousand, six hundred fifty-one".