506304137 has 4 divisors (see below), whose sum is σ = 508955136. Its totient is φ = 503653140.

The previous prime is 506304133. The next prime is 506304143. The reversal of 506304137 is 731403605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506304137 - 2² = 506304133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506304131) 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, 1325213 + ... + 1325594.

It is an arithmetic number, because the mean of its divisors is an integer number (127238784).

Almost surely, 2^506304137 is an apocalyptic number.

It is an amenable number.

506304137 is a deficient number, since it is larger than the sum of its proper divisors (2650999).

506304137 is a wasteful number, since it uses less digits than its factorization.

506304137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650998.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 506304137 is about 22501.2030122836. The cubic root of 506304137 is about 797.0223353296.

The spelling of 506304137 in words is "five hundred six million, three hundred four thousand, one hundred thirty-seven".