248851297 has 4 divisors (see below), whose sum is σ = 249228436. Its totient is φ = 248474160.

The previous prime is 248851279. The next prime is 248851313. The reversal of 248851297 is 792158842.

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 145950561 + 102900736 = 12081^2 + 10144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248851297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248851217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187578 + ... + 188899.

It is an arithmetic number, because the mean of its divisors is an integer number (62307109).

Almost surely, 2^248851297 is an apocalyptic number.

It is an amenable number.

248851297 is a deficient number, since it is larger than the sum of its proper divisors (377139).

248851297 is an equidigital number, since it uses as much as digits as its factorization.

248851297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377138.

The product of its digits is 322560, while the sum is 46.

The square root of 248851297 is about 15775.0212995102. The cubic root of 248851297 is about 628.9941933355.

The spelling of 248851297 in words is "two hundred forty-eight million, eight hundred fifty-one thousand, two hundred ninety-seven".