317421753 has 16 divisors (see below), whose sum is σ = 462205632. Its totient is φ = 192168000.

The previous prime is 317421749. The next prime is 317421757. The reversal of 317421753 is 357124713.

It is an interprime number because it is at equal distance from previous prime (317421749) and next prime (317421757).

It is not a de Polignac number, because 317421753 - 2² = 317421749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (317421757) 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 in 15 ways as a sum of consecutive naturals, for example, 28983 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (28887852).

Almost surely, 2^317421753 is an apocalyptic number.

317421753 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

317421753 is a deficient number, since it is larger than the sum of its proper divisors (144783879).

317421753 is a wasteful number, since it uses less digits than its factorization.

317421753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10456.

The product of its digits is 17640, while the sum is 33.

The square root of 317421753 is about 17816.3338821431. Note that the first 3 decimals coincide. The cubic root of 317421753 is about 682.1484478043.

The spelling of 317421753 in words is "three hundred seventeen million, four hundred twenty-one thousand, seven hundred fifty-three".