319542 has 16 divisors (see below), whose sum is σ = 672960. Its totient is φ = 100872.

The previous prime is 319541. The next prime is 319547. The reversal of 319542 is 245913.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319542.

It is not an unprimeable number, because it can be changed into a prime (319541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (42060).

2³¹⁹⁵⁴² is an apocalyptic number.

319542 is an abundant number, since it is smaller than the sum of its proper divisors (353418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319542 is a wasteful number, since it uses less digits than its factorization.

319542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its digits is 1080, while the sum is 24.

The square root of 319542 is about 565.2804613641. The cubic root of 319542 is about 68.3663902455.

It can be divided in two parts, 319 and 542, that added together give a triangular number (861 = T₄₁).

The spelling of 319542 in words is "three hundred nineteen thousand, five hundred forty-two".