248985187 has 8 divisors (see below), whose sum is σ = 272341440. Its totient is φ = 225749160.

The previous prime is 248985167. The next prime is 248985197. The reversal of 248985187 is 781589842.

It is a happy number.

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 248985187 - 2²³ = 240596579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248985167) 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, 25693 + ... + 34030.

It is an arithmetic number, because the mean of its divisors is an integer number (34042680).

Almost surely, 2^248985187 is an apocalyptic number.

248985187 is a deficient number, since it is larger than the sum of its proper divisors (23356253).

248985187 is a wasteful number, since it uses less digits than its factorization.

248985187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60113.

The product of its digits is 1290240, while the sum is 52.

The square root of 248985187 is about 15779.2644632125. The cubic root of 248985187 is about 629.1069794779.

The spelling of 248985187 in words is "two hundred forty-eight million, nine hundred eighty-five thousand, one hundred eighty-seven".