506011313 has 4 divisors (see below), whose sum is σ = 511021428. Its totient is φ = 501001200.

The previous prime is 506011309. The next prime is 506011361. The reversal of 506011313 is 313110605.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 499209649 + 6801664 = 22343^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 506011313 - 2² = 506011309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506011393) 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, 2504906 + ... + 2505107.

It is an arithmetic number, because the mean of its divisors is an integer number (127755357).

Almost surely, 2^506011313 is an apocalyptic number.

It is an amenable number.

506011313 is a deficient number, since it is larger than the sum of its proper divisors (5010115).

506011313 is a wasteful number, since it uses less digits than its factorization.

506011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010114.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 506011313 is about 22494.6952190955. The cubic root of 506011313 is about 796.8686514999.

Adding to 506011313 its reverse (313110605), we get a palindrome (819121918).

The spelling of 506011313 in words is "five hundred six million, eleven thousand, three hundred thirteen".