516422271 has 16 divisors (see below), whose sum is σ = 697869920. Its totient is φ = 339655680.

The previous prime is 516422267. The next prime is 516422281. The reversal of 516422271 is 172224615.

It is not a de Polignac number, because 516422271 - 2² = 516422267 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 (516422281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75531 + ... + 82083.

It is an arithmetic number, because the mean of its divisors is an integer number (43616870).

Almost surely, 2^516422271 is an apocalyptic number.

516422271 is a deficient number, since it is larger than the sum of its proper divisors (181447649).

516422271 is a wasteful number, since it uses less digits than its factorization.

516422271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906.

The product of its digits is 6720, while the sum is 30.

The square root of 516422271 is about 22724.9262045006. The cubic root of 516422271 is about 802.2966664902.

Adding to 516422271 its reverse (172224615), we get a palindrome (688646886).

The spelling of 516422271 in words is "five hundred sixteen million, four hundred twenty-two thousand, two hundred seventy-one".