248508685 has 8 divisors (see below), whose sum is σ = 308493720. Its totient is φ = 191951424.

The previous prime is 248508683. The next prime is 248508697. The reversal of 248508685 is 586805842.

It can be written as a sum of positive squares in 4 ways, for example, as 14969161 + 233539524 = 3869^2 + 15282^2 .

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 248508685 - 2¹ = 248508683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248508683) by changing a digit.

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, 856782 + ... + 857071.

It is an arithmetic number, because the mean of its divisors is an integer number (38561715).

Almost surely, 2^248508685 is an apocalyptic number.

It is an amenable number.

248508685 is a deficient number, since it is larger than the sum of its proper divisors (59985035).

248508685 is a wasteful number, since it uses less digits than its factorization.

248508685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713887.

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 248508685 is about 15764.1582395001. The cubic root of 248508685 is about 628.7053998062.

The spelling of 248508685 in words is "two hundred forty-eight million, five hundred eight thousand, six hundred eighty-five".