506479957 has 8 divisors (see below), whose sum is σ = 511758720. Its totient is φ = 501228000.

The previous prime is 506479949. The next prime is 506479973. The reversal of 506479957 is 759974605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506479957 - 2³ = 506479949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506479907) 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 7 ways as a sum of consecutive naturals, for example, 32457 + ... + 45457.

It is an arithmetic number, because the mean of its divisors is an integer number (63969840).

Almost surely, 2^506479957 is an apocalyptic number.

It is an amenable number.

506479957 is a deficient number, since it is larger than the sum of its proper divisors (5278763).

506479957 is a wasteful number, since it uses less digits than its factorization.

506479957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The square root of 506479957 is about 22505.1095753831. The cubic root of 506479957 is about 797.1145830776.

It can be divided in two parts, 506 and 479957, that multiplied together give a palindrome (242858242).

The spelling of 506479957 in words is "five hundred six million, four hundred seventy-nine thousand, nine hundred fifty-seven".