9542 has 8 divisors (see below), whose sum is σ = 15456. Its totient is φ = 4392.

The previous prime is 9539. The next prime is 9547. The reversal of 9542 is 2459.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9547) 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, 158 + ... + 209.

It is an arithmetic number, because the mean of its divisors is an integer number (1932).

2⁹⁵⁴² is an apocalyptic number.

9542 is a deficient number, since it is larger than the sum of its proper divisors (5914).

9542 is a wasteful number, since it uses less digits than its factorization.

9542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its digits is 360, while the sum is 20.

The square root of 9542 is about 97.6831612920. The cubic root of 9542 is about 21.2102833699.

The spelling of 9542 in words is "nine thousand, five hundred forty-two".