503344253 has 2 divisors, whose sum is σ = 503344254. Its totient is φ = 503344252.

The previous prime is 503344223. The next prime is 503344273. The reversal of 503344253 is 352443305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435890884 + 67453369 = 20878^2 + 8213^2 .

It is a cyclic number.

It is not a de Polignac number, because 503344253 - 2¹⁸ = 503082109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503344223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251672126 + 251672127.

It is an arithmetic number, because the mean of its divisors is an integer number (251672127).

Almost surely, 2^503344253 is an apocalyptic number.

It is an amenable number.

503344253 is a deficient number, since it is larger than the sum of its proper divisors (1).

503344253 is an equidigital number, since it uses as much as digits as its factorization.

503344253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 503344253 is about 22435.3349206113. The cubic root of 503344253 is about 795.4661522583.

Adding to 503344253 its reverse (352443305), we get a palindrome (855787558).

The spelling of 503344253 in words is "five hundred three million, three hundred forty-four thousand, two hundred fifty-three".