248378085 has 24 divisors (see below), whose sum is σ = 435366360. Its totient is φ = 130977792.

The previous prime is 248378057. The next prime is 248378101. The reversal of 248378085 is 580873842.

It can be written as a sum of positive squares in 4 ways, for example, as 64016001 + 184362084 = 8001^2 + 13578^2 .

It is not a de Polignac number, because 248378085 - 2⁷ = 248377957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 248378085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27004 + ... + 35013.

It is an arithmetic number, because the mean of its divisors is an integer number (18140265).

Almost surely, 2^248378085 is an apocalyptic number.

It is an amenable number.

248378085 is a deficient number, since it is larger than the sum of its proper divisors (186988275).

248378085 is a wasteful number, since it uses less digits than its factorization.

248378085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62117 (or 62114 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 248378085 is about 15760.0153870483. The cubic root of 248378085 is about 628.5952449531.

The spelling of 248378085 in words is "two hundred forty-eight million, three hundred seventy-eight thousand, eighty-five".