506042437 has 4 divisors (see below), whose sum is σ = 507659500. Its totient is φ = 504425376.

The previous prime is 506042429. The next prime is 506042443. The reversal of 506042437 is 734240605.

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 131194116 + 374848321 = 11454^2 + 19361^2 .

It is a cyclic number.

It is not a de Polignac number, because 506042437 - 2³ = 506042429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506042399 and 506042408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506042237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808062 + ... + 808687.

It is an arithmetic number, because the mean of its divisors is an integer number (126914875).

Almost surely, 2^506042437 is an apocalyptic number.

It is an amenable number.

506042437 is a deficient number, since it is larger than the sum of its proper divisors (1617063).

506042437 is a wasteful number, since it uses less digits than its factorization.

506042437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617062.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 506042437 is about 22495.3870160084. The cubic root of 506042437 is about 796.8849892317.

The spelling of 506042437 in words is "five hundred six million, forty-two thousand, four hundred thirty-seven".