248356505 has 8 divisors (see below), whose sum is σ = 313713600. Its totient is φ = 188228016.

The previous prime is 248356499. The next prime is 248356513. The reversal of 248356505 is 505653842.

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 248356505 - 2⁸ = 248356249 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 1307045 + ... + 1307234.

It is an arithmetic number, because the mean of its divisors is an integer number (39214200).

Almost surely, 2^248356505 is an apocalyptic number.

It is an amenable number.

248356505 is a deficient number, since it is larger than the sum of its proper divisors (65357095).

248356505 is a wasteful number, since it uses less digits than its factorization.

248356505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614303.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 248356505 is about 15759.3307281750. The cubic root of 248356505 is about 628.5770395382.

The spelling of 248356505 in words is "two hundred forty-eight million, three hundred fifty-six thousand, five hundred five".