248313685 has 4 divisors (see below), whose sum is σ = 297976428. Its totient is φ = 198650944.

The previous prime is 248313683. The next prime is 248313701. The reversal of 248313685 is 586313842.

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 129982801 + 118330884 = 11401^2 + 10878^2 .

It is a cyclic number.

It is not a de Polignac number, because 248313685 - 2¹ = 248313683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248313683) 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, 24831364 + ... + 24831373.

It is an arithmetic number, because the mean of its divisors is an integer number (74494107).

Almost surely, 2^248313685 is an apocalyptic number.

It is an amenable number.

248313685 is a deficient number, since it is larger than the sum of its proper divisors (49662743).

248313685 is an equidigital number, since it uses as much as digits as its factorization.

248313685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49662742.

The product of its digits is 138240, while the sum is 40.

The square root of 248313685 is about 15757.9721093801. The cubic root of 248313685 is about 628.5409124181.

The spelling of 248313685 in words is "two hundred forty-eight million, three hundred thirteen thousand, six hundred eighty-five".