501686413 has 8 divisors (see below), whose sum is σ = 512703360. Its totient is φ = 490683840.

The previous prime is 501686411. The next prime is 501686417. The reversal of 501686413 is 314686105.

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 501686413 - 2¹ = 501686411 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 (501686411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97653 + ... + 102661.

It is an arithmetic number, because the mean of its divisors is an integer number (64087920).

Almost surely, 2^501686413 is an apocalyptic number.

It is an amenable number.

501686413 is a deficient number, since it is larger than the sum of its proper divisors (11016947).

501686413 is a wasteful number, since it uses less digits than its factorization.

501686413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 501686413 is about 22398.3573728075. The cubic root of 501686413 is about 794.5918625496.

The spelling of 501686413 in words is "five hundred one million, six hundred eighty-six thousand, four hundred thirteen".