248615585 has 4 divisors (see below), whose sum is σ = 298338708. Its totient is φ = 198892464.

The previous prime is 248615569. The next prime is 248615597. The reversal of 248615585 is 585516842.

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 116985856 + 131629729 = 10816^2 + 11473^2 .

It is a cyclic number.

It is not a de Polignac number, because 248615585 - 2⁴ = 248615569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24861554 + ... + 24861563.

It is an arithmetic number, because the mean of its divisors is an integer number (74584677).

Almost surely, 2^248615585 is an apocalyptic number.

It is an amenable number.

248615585 is a deficient number, since it is larger than the sum of its proper divisors (49723123).

248615585 is an equidigital number, since it uses as much as digits as its factorization.

248615585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49723122.

The product of its digits is 384000, while the sum is 44.

The square root of 248615585 is about 15767.5484778072. The cubic root of 248615585 is about 628.7955361229.

The spelling of 248615585 in words is "two hundred forty-eight million, six hundred fifteen thousand, five hundred eighty-five".