503685997 has 8 divisors (see below), whose sum is σ = 507236576. Its totient is φ = 500148432.

The previous prime is 503685989. The next prime is 503686003. The reversal of 503685997 is 799586305.

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 503685997 - 2³ = 503685989 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 (503685097) 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, 82078 + ... + 88000.

It is an arithmetic number, because the mean of its divisors is an integer number (63404572).

Almost surely, 2^503685997 is an apocalyptic number.

It is an amenable number.

503685997 is a deficient number, since it is larger than the sum of its proper divisors (3550579).

503685997 is a wasteful number, since it uses less digits than its factorization.

503685997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 503685997 is about 22442.9498283982. The cubic root of 503685997 is about 795.6461379463.

It can be divided in two parts, 50368 and 5997, that added together give a palindrome (56365).

The spelling of 503685997 in words is "five hundred three million, six hundred eighty-five thousand, nine hundred ninety-seven".