248769485 has 4 divisors (see below), whose sum is σ = 298523388. Its totient is φ = 199015584.

The previous prime is 248769461. The next prime is 248769497. The reversal of 248769485 is 584967842.

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 35200489 + 213568996 = 5933^2 + 14614^2 .

It is a cyclic number.

It is not a de Polignac number, because 248769485 - 2¹⁰ = 248768461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24876944 + ... + 24876953.

It is an arithmetic number, because the mean of its divisors is an integer number (74630847).

Almost surely, 2^248769485 is an apocalyptic number.

It is an amenable number.

248769485 is a deficient number, since it is larger than the sum of its proper divisors (49753903).

248769485 is an equidigital number, since it uses as much as digits as its factorization.

248769485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49753902.

The product of its digits is 3870720, while the sum is 53.

The square root of 248769485 is about 15772.4279995187. The cubic root of 248769485 is about 628.9252567004.

The spelling of 248769485 in words is "two hundred forty-eight million, seven hundred sixty-nine thousand, four hundred eighty-five".