516542867 has 4 divisors (see below), whose sum is σ = 534354720. Its totient is φ = 498731016.

The previous prime is 516542861. The next prime is 516542879. The reversal of 516542867 is 768245615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516542867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516542861) 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, 8905883 + ... + 8905940.

It is an arithmetic number, because the mean of its divisors is an integer number (133588680).

Almost surely, 2^516542867 is an apocalyptic number.

516542867 is a deficient number, since it is larger than the sum of its proper divisors (17811853).

516542867 is a wasteful number, since it uses less digits than its factorization.

516542867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811852.

The product of its digits is 403200, while the sum is 44.

The square root of 516542867 is about 22727.5794355668. The cubic root of 516542867 is about 802.3591129568.

The spelling of 516542867 in words is "five hundred sixteen million, five hundred forty-two thousand, eight hundred sixty-seven".