683542 has 4 divisors (see below), whose sum is σ = 1025316. Its totient is φ = 341770.

The previous prime is 683513. The next prime is 683567. The reversal of 683542 is 245386.

683542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245386 = 2 ⋅122693.

It is a self number, because there is not a number n which added to its sum of digits gives 683542.

It is a congruent number.

It is an unprimeable number.

683542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170884 + ... + 170887.

It is an arithmetic number, because the mean of its divisors is an integer number (256329).

2⁶⁸³⁵⁴² is an apocalyptic number.

683542 is a deficient number, since it is larger than the sum of its proper divisors (341774).

683542 is a wasteful number, since it uses less digits than its factorization.

683542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341773.

The product of its digits is 5760, while the sum is 28.

The square root of 683542 is about 826.7659886570. The cubic root of 683542 is about 88.0890111753.

It can be divided in two parts, 683 and 542, that added together give a triangular number (1225 = T₄₉).

The spelling of 683542 in words is "six hundred eighty-three thousand, five hundred forty-two".