512130403 has 2 divisors, whose sum is σ = 512130404. Its totient is φ = 512130402.

The previous prime is 512130371. The next prime is 512130407. The reversal of 512130403 is 304031215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512130403 - 2⁵ = 512130371 is a prime.

It is not a weakly prime, because it can be changed into another prime (512130407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256065201 + 256065202.

It is an arithmetic number, because the mean of its divisors is an integer number (256065202).

Almost surely, 2^512130403 is an apocalyptic number.

512130403 is a deficient number, since it is larger than the sum of its proper divisors (1).

512130403 is an equidigital number, since it uses as much as digits as its factorization.

512130403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 512130403 is about 22630.2983409411. The cubic root of 512130403 is about 800.0679124639.

Adding to 512130403 its reverse (304031215), we get a palindrome (816161618).

The spelling of 512130403 in words is "five hundred twelve million, one hundred thirty thousand, four hundred three".