248542 has 16 divisors (see below), whose sum is σ = 437472. Its totient is φ = 103680.

The previous prime is 248537. The next prime is 248543. The reversal of 248542 is 245842.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248543) by changing a digit.

248542 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 in 7 ways as a sum of consecutive naturals, for example, 358 + ... + 790.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2²⁴⁸⁵⁴² is an apocalyptic number.

248542 is a deficient number, since it is larger than the sum of its proper divisors (188930).

248542 is a wasteful number, since it uses less digits than its factorization.

248542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483.

The product of its digits is 2560, while the sum is 25.

The square root of 248542 is about 498.5398680146. The cubic root of 248542 is about 62.8733493237.

The spelling of 248542 in words is "two hundred forty-eight thousand, five hundred forty-two".