1351728503 has 2 divisors, whose sum is σ = 1351728504. Its totient is φ = 1351728502.

The previous prime is 1351728493. The next prime is 1351728509. The reversal of 1351728503 is 3058271531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351728503 - 2²⁶ = 1284619639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351728509) 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, 675864251 + 675864252.

It is an arithmetic number, because the mean of its divisors is an integer number (675864252).

Almost surely, 2^1351728503 is an apocalyptic number.

1351728503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351728503 is an equidigital number, since it uses as much as digits as its factorization.

1351728503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1351728503 is about 36765.8605638437. The cubic root of 1351728503 is about 1105.6809417169.

The spelling of 1351728503 in words is "one billion, three hundred fifty-one million, seven hundred twenty-eight thousand, five hundred three".