506168577 has 6 divisors (see below), whose sum is σ = 731132402. Its totient is φ = 337445712.

The previous prime is 506168573. The next prime is 506168599. The reversal of 506168577 is 775861605.

It can be written as a sum of positive squares in only one way, i.e., 505170576 + 998001 = 22476^2 + 999^2 .

It is not a de Polignac number, because 506168577 - 2² = 506168573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506168573) 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, 28120468 + ... + 28120485.

Almost surely, 2^506168577 is an apocalyptic number.

It is an amenable number.

506168577 is a deficient number, since it is larger than the sum of its proper divisors (224963825).

506168577 is a wasteful number, since it uses less digits than its factorization.

506168577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56240959 (or 56240956 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 506168577 is about 22498.1905272402. The cubic root of 506168577 is about 796.9511962757.

The spelling of 506168577 in words is "five hundred six million, one hundred sixty-eight thousand, five hundred seventy-seven".