516011427 has 6 divisors (see below), whose sum is σ = 745349852. Its totient is φ = 344007612.

The previous prime is 516011423. The next prime is 516011473. The reversal of 516011427 is 724110615.

It is a happy number.

516011427 is a `hidden beast` number, since 51 + 601 + 1 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 516011427 - 2² = 516011423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516011427.

It is not an unprimeable number, because it can be changed into a prime (516011423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28667293 + ... + 28667310.

Almost surely, 2^516011427 is an apocalyptic number.

516011427 is a deficient number, since it is larger than the sum of its proper divisors (229338425).

516011427 is a wasteful number, since it uses less digits than its factorization.

516011427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57334609 (or 57334606 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 516011427 is about 22715.8849046213. The cubic root of 516011427 is about 802.0838521332.

The spelling of 516011427 in words is "five hundred sixteen million, eleven thousand, four hundred twenty-seven".