506513363 has 4 divisors (see below), whose sum is σ = 508382688. Its totient is φ = 504644040.

The previous prime is 506513323. The next prime is 506513369. The reversal of 506513363 is 363315605.

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 506513363 - 2¹⁴ = 506496979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506513369) 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, 934256 + ... + 934797.

It is an arithmetic number, because the mean of its divisors is an integer number (127095672).

Almost surely, 2^506513363 is an apocalyptic number.

506513363 is a deficient number, since it is larger than the sum of its proper divisors (1869325).

506513363 is a wasteful number, since it uses less digits than its factorization.

506513363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869324.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 506513363 is about 22505.8517501560. The cubic root of 506513363 is about 797.1321078410.

Adding to 506513363 its reverse (363315605), we get a palindrome (869828968).

The spelling of 506513363 in words is "five hundred six million, five hundred thirteen thousand, three hundred sixty-three".