506426637 has 4 divisors (see below), whose sum is σ = 675235520. Its totient is φ = 337617756.

The previous prime is 506426611. The next prime is 506426639. The reversal of 506426637 is 736624605.

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 not a de Polignac number, because 506426637 - 2⁶ = 506426573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506426595 and 506426604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506426639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84404437 + ... + 84404442.

It is an arithmetic number, because the mean of its divisors is an integer number (168808880).

Almost surely, 2^506426637 is an apocalyptic number.

It is an amenable number.

506426637 is a deficient number, since it is larger than the sum of its proper divisors (168808883).

506426637 is a wasteful number, since it uses less digits than its factorization.

506426637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168808882.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 506426637 is about 22503.9249243326. The cubic root of 506426637 is about 797.0866098475.

The spelling of 506426637 in words is "five hundred six million, four hundred twenty-six thousand, six hundred thirty-seven".