501406117 has 4 divisors (see below), whose sum is σ = 506370636. Its totient is φ = 496441600.

The previous prime is 501406069. The next prime is 501406151. The reversal of 501406117 is 711604105.

It is a happy number.

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 452880961 + 48525156 = 21281^2 + 6966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501406117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501406091 and 501406100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501400117) 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, 2482108 + ... + 2482309.

It is an arithmetic number, because the mean of its divisors is an integer number (126592659).

Almost surely, 2^501406117 is an apocalyptic number.

It is an amenable number.

501406117 is a deficient number, since it is larger than the sum of its proper divisors (4964519).

501406117 is a wasteful number, since it uses less digits than its factorization.

501406117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964518.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 501406117 is about 22392.0994326124. The cubic root of 501406117 is about 794.4438534837.

The spelling of 501406117 in words is "five hundred one million, four hundred six thousand, one hundred seventeen".