503143453 has 2 divisors, whose sum is σ = 503143454. Its totient is φ = 503143452.

The previous prime is 503143439. The next prime is 503143463. The reversal of 503143453 is 354341305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487438084 + 15705369 = 22078^2 + 3963^2 .

It is a cyclic number.

It is not a de Polignac number, because 503143453 - 2¹³ = 503135261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503143463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251571726 + 251571727.

It is an arithmetic number, because the mean of its divisors is an integer number (251571727).

Almost surely, 2^503143453 is an apocalyptic number.

It is an amenable number.

503143453 is a deficient number, since it is larger than the sum of its proper divisors (1).

503143453 is an equidigital number, since it uses as much as digits as its factorization.

503143453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 503143453 is about 22430.8593905806. The cubic root of 503143453 is about 795.3603592895.

Adding to 503143453 its reverse (354341305), we get a palindrome (857484758).

It can be divided in two parts, 5031 and 43453, that added together give a palindrome (48484).

The spelling of 503143453 in words is "five hundred three million, one hundred forty-three thousand, four hundred fifty-three".