503485121 has 2 divisors, whose sum is σ = 503485122. Its totient is φ = 503485120.

The previous prime is 503485109. The next prime is 503485139. The reversal of 503485121 is 121584305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497290000 + 6195121 = 22300^2 + 2489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503485121 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (503185121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251742560 + 251742561.

It is an arithmetic number, because the mean of its divisors is an integer number (251742561).

Almost surely, 2^503485121 is an apocalyptic number.

It is an amenable number.

503485121 is a deficient number, since it is larger than the sum of its proper divisors (1).

503485121 is an equidigital number, since it uses as much as digits as its factorization.

503485121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 503485121 is about 22438.4741237010. The cubic root of 503485121 is about 795.5403528168.

The spelling of 503485121 in words is "five hundred three million, four hundred eighty-five thousand, one hundred twenty-one".