516408271 has 4 divisors (see below), whose sum is σ = 516689712. Its totient is φ = 516126832.

The previous prime is 516408257. The next prime is 516408301. The reversal of 516408271 is 172804615.

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 516408271 - 2¹¹ = 516406223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516408241) 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, 137950 + ... + 141643.

It is an arithmetic number, because the mean of its divisors is an integer number (129172428).

Almost surely, 2^516408271 is an apocalyptic number.

516408271 is a deficient number, since it is larger than the sum of its proper divisors (281441).

516408271 is a wasteful number, since it uses less digits than its factorization.

516408271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281440.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 516408271 is about 22724.6181706096. The cubic root of 516408271 is about 802.2894164447.

The spelling of 516408271 in words is "five hundred sixteen million, four hundred eight thousand, two hundred seventy-one".