503890253 has 2 divisors, whose sum is σ = 503890254. Its totient is φ = 503890252.

The previous prime is 503890207. The next prime is 503890333. The reversal of 503890253 is 352098305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503463844 + 426409 = 22438^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 503890253 - 2¹⁰ = 503889229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503890553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251945126 + 251945127.

It is an arithmetic number, because the mean of its divisors is an integer number (251945127).

Almost surely, 2^503890253 is an apocalyptic number.

It is an amenable number.

503890253 is a deficient number, since it is larger than the sum of its proper divisors (1).

503890253 is an equidigital number, since it uses as much as digits as its factorization.

503890253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 503890253 is about 22447.4999276089. The cubic root of 503890253 is about 795.7536742126.

The spelling of 503890253 in words is "five hundred three million, eight hundred ninety thousand, two hundred fifty-three".