503212453 has 2 divisors, whose sum is σ = 503212454. Its totient is φ = 503212452.

The previous prime is 503212447. The next prime is 503212471. The reversal of 503212453 is 354212305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345885604 + 157326849 = 18598^2 + 12543^2 .

It is a cyclic number.

It is not a de Polignac number, because 503212453 - 2⁵ = 503212421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503212153) 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, 251606226 + 251606227.

It is an arithmetic number, because the mean of its divisors is an integer number (251606227).

Almost surely, 2^503212453 is an apocalyptic number.

It is an amenable number.

503212453 is a deficient number, since it is larger than the sum of its proper divisors (1).

503212453 is an equidigital number, since it uses as much as digits as its factorization.

503212453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 503212453 is about 22432.3973975142. The cubic root of 503212453 is about 795.3967156249.

Adding to 503212453 its reverse (354212305), we get a palindrome (857424758).

The spelling of 503212453 in words is "five hundred three million, two hundred twelve thousand, four hundred fifty-three".