248578 has 8 divisors (see below), whose sum is σ = 406800. Its totient is φ = 112980.

The previous prime is 248569. The next prime is 248579. The reversal of 248578 is 875842.

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

It is not an unprimeable number, because it can be changed into a prime (248579) 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, 5628 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (50850).

2²⁴⁸⁵⁷⁸ is an apocalyptic number.

248578 is the 267-th centered heptagonal number.

248578 is a deficient number, since it is larger than the sum of its proper divisors (158222).

248578 is a wasteful number, since it uses less digits than its factorization.

248578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312.

The product of its digits is 17920, while the sum is 34.

The square root of 248578 is about 498.5759721447. The cubic root of 248578 is about 62.8763848017.

Subtracting 248578 from its reverse (875842), we obtain a square (627264 = 792²).

The spelling of 248578 in words is "two hundred forty-eight thousand, five hundred seventy-eight".