503697245 has 8 divisors (see below), whose sum is σ = 604562616. Its totient is φ = 402873856.

The previous prime is 503697197. The next prime is 503697247. The reversal of 503697245 is 542796305.

It can be written as a sum of positive squares in 4 ways, for example, as 20313049 + 483384196 = 4507^2 + 21986^2 .

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 503697245 - 2²⁴ = 486920029 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 (503697247) 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 7 ways as a sum of consecutive naturals, for example, 30389 + ... + 43941.

It is an arithmetic number, because the mean of its divisors is an integer number (75570327).

Almost surely, 2^503697245 is an apocalyptic number.

It is an amenable number.

503697245 is a deficient number, since it is larger than the sum of its proper divisors (100865371).

503697245 is a wasteful number, since it uses less digits than its factorization.

503697245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 503697245 is about 22443.2004179440. The cubic root of 503697245 is about 795.6520605258.

The spelling of 503697245 in words is "five hundred three million, six hundred ninety-seven thousand, two hundred forty-five".