317542 has 4 divisors (see below), whose sum is σ = 476316. Its totient is φ = 158770.

The previous prime is 317539. The next prime is 317557. The reversal of 317542 is 245713.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79384 + ... + 79387.

It is an arithmetic number, because the mean of its divisors is an integer number (119079).

2³¹⁷⁵⁴² is an apocalyptic number.

317542 is a deficient number, since it is larger than the sum of its proper divisors (158774).

317542 is a wasteful number, since it uses less digits than its factorization.

317542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158773.

The product of its digits is 840, while the sum is 22.

The square root of 317542 is about 563.5086512202. The cubic root of 317542 is about 68.2234575013.

The spelling of 317542 in words is "three hundred seventeen thousand, five hundred forty-two".