503801253 has 24 divisors (see below), whose sum is σ = 758784000. Its totient is φ = 321711264.

The previous prime is 503801227. The next prime is 503801297. The reversal of 503801253 is 352108305.

It is not a de Polignac number, because 503801253 - 2⁶ = 503801189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503803253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25548 + ... + 40746.

It is an arithmetic number, because the mean of its divisors is an integer number (31616000).

Almost surely, 2^503801253 is an apocalyptic number.

It is an amenable number.

503801253 is a deficient number, since it is larger than the sum of its proper divisors (254982747).

503801253 is a wasteful number, since it uses less digits than its factorization.

503801253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15361 (or 15358 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 503801253 is about 22445.5174366732. The cubic root of 503801253 is about 795.7068212543.

Adding to 503801253 its reverse (352108305), we get a palindrome (855909558).

The spelling of 503801253 in words is "five hundred three million, eight hundred one thousand, two hundred fifty-three".