248520445 has 8 divisors (see below), whose sum is σ = 303851736. Its totient is φ = 195064896.

The previous prime is 248520439. The next prime is 248520469. The reversal of 248520445 is 544025842.

It can be written as a sum of positive squares in 4 ways, for example, as 8797156 + 239723289 = 2966^2 + 15483^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 248520445 - 2⁵ = 248520413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248520445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468642 + ... + 469171.

It is an arithmetic number, because the mean of its divisors is an integer number (37981467).

Almost surely, 2^248520445 is an apocalyptic number.

It is an amenable number.

248520445 is a deficient number, since it is larger than the sum of its proper divisors (55331291).

248520445 is an equidigital number, since it uses as much as digits as its factorization.

248520445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937871.

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 248520445 is about 15764.5312331195. The cubic root of 248520445 is about 628.7153169095.

The spelling of 248520445 in words is "two hundred forty-eight million, five hundred twenty thousand, four hundred forty-five".