516045897 has 20 divisors (see below), whose sum is σ = 816231636. Its totient is φ = 323792640.

The previous prime is 516045889. The next prime is 516045949. The reversal of 516045897 is 798540615.

516045897 is a `hidden beast` number, since 5 + 1 + 60 + 4 + 589 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 404975376 + 111070521 = 20124^2 + 10539^2 .

It is not a de Polignac number, because 516045897 - 2³ = 516045889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516045857) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 186004 + ... + 188757.

Almost surely, 2^516045897 is an apocalyptic number.

It is an amenable number.

516045897 is a deficient number, since it is larger than the sum of its proper divisors (300185739).

516045897 is a wasteful number, since it uses less digits than its factorization.

516045897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374790 (or 374781 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 516045897 is about 22716.6436121184. The cubic root of 516045897 is about 802.1017116955.

The spelling of 516045897 in words is "five hundred sixteen million, forty-five thousand, eight hundred ninety-seven".