516240727 has 4 divisors (see below), whose sum is σ = 538686000. Its totient is φ = 493795456.

The previous prime is 516240719. The next prime is 516240749. The reversal of 516240727 is 727042615.

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 516240727 - 2³ = 516240719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516240692 and 516240701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516241727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11222602 + ... + 11222647.

It is an arithmetic number, because the mean of its divisors is an integer number (134671500).

Almost surely, 2^516240727 is an apocalyptic number.

516240727 is a deficient number, since it is larger than the sum of its proper divisors (22445273).

516240727 is a wasteful number, since it uses less digits than its factorization.

516240727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445272.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 516240727 is about 22720.9314729832. The cubic root of 516240727 is about 802.2026418743.

The spelling of 516240727 in words is "five hundred sixteen million, two hundred forty thousand, seven hundred twenty-seven".