248265855 has 24 divisors (see below), whose sum is σ = 432022032. Its totient is φ = 131887104.

The previous prime is 248265851. The next prime is 248265869. The reversal of 248265855 is 558562842.

It is a happy number.

248265855 is a `hidden beast` number, since 2 + 48 + 26 + 585 + 5 = 666.

It is not a de Polignac number, because 248265855 - 2² = 248265851 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 248265855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248265851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 832 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (18000918).

Almost surely, 2^248265855 is an apocalyptic number.

248265855 is a deficient number, since it is larger than the sum of its proper divisors (183756177).

248265855 is a wasteful number, since it uses less digits than its factorization.

248265855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21735 (or 21732 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 248265855 is about 15756.4543917723. The cubic root of 248265855 is about 628.5005534634.

The spelling of 248265855 in words is "two hundred forty-eight million, two hundred sixty-five thousand, eight hundred fifty-five".