503374129 has 2 divisors, whose sum is σ = 503374130. Its totient is φ = 503374128.

The previous prime is 503374093. The next prime is 503374133. The reversal of 503374129 is 921473305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352575729 + 150798400 = 18777^2 + 12280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503374129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503374094 and 503374103.

It is not a weakly prime, because it can be changed into another prime (503374139) 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, 251687064 + 251687065.

It is an arithmetic number, because the mean of its divisors is an integer number (251687065).

Almost surely, 2^503374129 is an apocalyptic number.

It is an amenable number.

503374129 is a deficient number, since it is larger than the sum of its proper divisors (1).

503374129 is an equidigital number, since it uses as much as digits as its factorization.

503374129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 503374129 is about 22436.0007354252. Note that the first 3 decimals coincide. The cubic root of 503374129 is about 795.4818902457.

The spelling of 503374129 in words is "five hundred three million, three hundred seventy-four thousand, one hundred twenty-nine".