506046538 has 4 divisors (see below), whose sum is σ = 759069810. Its totient is φ = 253023268.

The previous prime is 506046533. The next prime is 506046539. The reversal of 506046538 is 835640605.

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

It can be written as a sum of positive squares in only one way, i.e., 449991369 + 56055169 = 21213^2 + 7487^2 .

It is a junction number, because it is equal to n+sod(n) for n = 506046497 and 506046506.

It is not an unprimeable number, because it can be changed into a prime (506046533) 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 as a sum of consecutive naturals, namely, 126511633 + ... + 126511636.

Almost surely, 2^506046538 is an apocalyptic number.

506046538 is a deficient number, since it is larger than the sum of its proper divisors (253023272).

506046538 is a wasteful number, since it uses less digits than its factorization.

506046538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253023271.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 506046538 is about 22495.4781678452. The cubic root of 506046538 is about 796.8871418947.

The spelling of 506046538 in words is "five hundred six million, forty-six thousand, five hundred thirty-eight".