317197453 has 4 divisors (see below), whose sum is σ = 317308320. Its totient is φ = 317086588.

The previous prime is 317197451. The next prime is 317197459. The reversal of 317197453 is 354791713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354791713 = 29 ⋅12234197.

It is a cyclic number.

It is not a de Polignac number, because 317197453 - 2¹ = 317197451 is a prime.

It is a super-2 number, since 2×317197453² = 201228448379374418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317197451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51025 + ... + 56902.

It is an arithmetic number, because the mean of its divisors is an integer number (79327080).

Almost surely, 2^317197453 is an apocalyptic number.

It is an amenable number.

317197453 is a deficient number, since it is larger than the sum of its proper divisors (110867).

317197453 is a wasteful number, since it uses less digits than its factorization.

317197453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110866.

The product of its digits is 79380, while the sum is 40.

The square root of 317197453 is about 17810.0379842380. The cubic root of 317197453 is about 681.9877342330.

The spelling of 317197453 in words is "three hundred seventeen million, one hundred ninety-seven thousand, four hundred fifty-three".