516256851 has 8 divisors (see below), whose sum is σ = 750919104. Its totient is φ = 312882920.

The previous prime is 516256849. The next prime is 516256861. The reversal of 516256851 is 158652615.

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

It is a cyclic number.

It is not a de Polignac number, because 516256851 - 2¹ = 516256849 is a prime.

It is a super-2 number, since 2×516256851² = 533042272408872402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (516256801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7822041 + ... + 7822106.

It is an arithmetic number, because the mean of its divisors is an integer number (93864888).

Almost surely, 2^516256851 is an apocalyptic number.

516256851 is a deficient number, since it is larger than the sum of its proper divisors (234662253).

516256851 is a wasteful number, since it uses less digits than its factorization.

516256851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644161.

The product of its digits is 72000, while the sum is 39.

The square root of 516256851 is about 22721.2862972148. The cubic root of 516256851 is about 802.2109936503.

The spelling of 516256851 in words is "five hundred sixteen million, two hundred fifty-six thousand, eight hundred fifty-one".