248025845 has 4 divisors (see below), whose sum is σ = 297631020. Its totient is φ = 198420672.

The previous prime is 248025809. The next prime is 248025857. The reversal of 248025845 is 548520842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75655204 + 172370641 = 8698^2 + 13129^2 .

It is a cyclic number.

It is not a de Polignac number, because 248025845 - 2¹⁸ = 247763701 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248025799 and 248025808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24802580 + ... + 24802589.

It is an arithmetic number, because the mean of its divisors is an integer number (74407755).

Almost surely, 2^248025845 is an apocalyptic number.

It is an amenable number.

248025845 is a deficient number, since it is larger than the sum of its proper divisors (49605175).

248025845 is an equidigital number, since it uses as much as digits as its factorization.

248025845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49605174.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 248025845 is about 15748.8363062164. The cubic root of 248025845 is about 628.2979547156.

The spelling of 248025845 in words is "two hundred forty-eight million, twenty-five thousand, eight hundred forty-five".