506103949 has 4 divisors (see below), whose sum is σ = 545035036. Its totient is φ = 467172864.

The previous prime is 506103919. The next prime is 506103953. The reversal of 506103949 is 949301605.

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 129549924 + 376554025 = 11382^2 + 19405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506103949 is a prime.

It is a super-2 number, since 2×506103949² = 512282414386789202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506103919) 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, 19465524 + ... + 19465549.

It is an arithmetic number, because the mean of its divisors is an integer number (136258759).

Almost surely, 2^506103949 is an apocalyptic number.

It is an amenable number.

506103949 is a deficient number, since it is larger than the sum of its proper divisors (38931087).

506103949 is a wasteful number, since it uses less digits than its factorization.

506103949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38931086.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 506103949 is about 22496.7541881046. The cubic root of 506103949 is about 796.9172763812.

The spelling of 506103949 in words is "five hundred six million, one hundred three thousand, nine hundred forty-nine".