248463865 has 16 divisors (see below), whose sum is σ = 324046800. Its totient is φ = 181792512.

The previous prime is 248463863. The next prime is 248463877. The reversal of 248463865 is 568364842.

It can be written as a sum of positive squares in 8 ways, for example, as 7469289 + 240994576 = 2733^2 + 15524^2 .

It is a cyclic number.

It is not a de Polignac number, because 248463865 - 2¹ = 248463863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248463863) 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 15 ways as a sum of consecutive naturals, for example, 10450 + ... + 24619.

It is an arithmetic number, because the mean of its divisors is an integer number (20252925).

Almost surely, 2^248463865 is an apocalyptic number.

It is an amenable number.

248463865 is a deficient number, since it is larger than the sum of its proper divisors (75582935).

248463865 is a wasteful number, since it uses less digits than its factorization.

248463865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35196.

The product of its digits is 1105920, while the sum is 46.

The square root of 248463865 is about 15762.7365961625. The cubic root of 248463865 is about 628.6676006307.

The spelling of 248463865 in words is "two hundred forty-eight million, four hundred sixty-three thousand, eight hundred sixty-five".