1317903375 has 16 divisors (see below), whose sum is σ = 2192991840. Its totient is φ = 702881600.

The previous prime is 1317903337. The next prime is 1317903409. The reversal of 1317903375 is 5733097131.

It is not a de Polignac number, because 1317903375 - 2¹⁰ = 1317902351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756830 + ... + 1757579.

It is an arithmetic number, because the mean of its divisors is an integer number (137061990).

Almost surely, 2^1317903375 is an apocalyptic number.

1317903375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1317903375 is a deficient number, since it is larger than the sum of its proper divisors (875088465).

1317903375 is an equidigital number, since it uses as much as digits as its factorization.

1317903375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514427 (or 3514417 counting only the distinct ones).

The product of its (nonzero) digits is 59535, while the sum is 39.

The square root of 1317903375 is about 36302.9389306155. The cubic root of 1317903375 is about 1096.3802157199.

The spelling of 1317903375 in words is "one billion, three hundred seventeen million, nine hundred three thousand, three hundred seventy-five".