248725 has 6 divisors (see below), whose sum is σ = 308450. Its totient is φ = 198960.

The previous prime is 248723. The next prime is 248737. The reversal of 248725 is 527842.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 239121 = 98^2 + 489^2 .

It is not a de Polignac number, because 248725 - 2¹ = 248723 is a prime.

248725 is a lucky number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 248693 and 248702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4950 + ... + 4999.

2²⁴⁸⁷²⁵ is an apocalyptic number.

248725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

248725 is a deficient number, since it is larger than the sum of its proper divisors (59725).

248725 is an equidigital number, since it uses as much as digits as its factorization.

248725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959 (or 9954 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 248725 is about 498.7233702164. The cubic root of 248725 is about 62.8887766293. Note that the first 3 decimals are identical.

The spelling of 248725 in words is "two hundred forty-eight thousand, seven hundred twenty-five".