516255227 has 4 divisors (see below), whose sum is σ = 517556016. Its totient is φ = 514954440.

The previous prime is 516255221. The next prime is 516255287. The reversal of 516255227 is 722552615.

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 516255227 - 2⁴ = 516255211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516255221) 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, 649799 + ... + 650592.

It is an arithmetic number, because the mean of its divisors is an integer number (129389004).

Almost surely, 2^516255227 is an apocalyptic number.

516255227 is a deficient number, since it is larger than the sum of its proper divisors (1300789).

516255227 is a wasteful number, since it uses less digits than its factorization.

516255227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300788.

The product of its digits is 42000, while the sum is 35.

The square root of 516255227 is about 22721.2505597733. The cubic root of 516255227 is about 802.2101524721.

The spelling of 516255227 in words is "five hundred sixteen million, two hundred fifty-five thousand, two hundred twenty-seven".