248701133 has 4 divisors (see below), whose sum is σ = 248732700. Its totient is φ = 248669568.

The previous prime is 248701081. The next prime is 248701147. The reversal of 248701133 is 331107842.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 117896164 + 130804969 = 10858^2 + 11437^2 .

It is a cyclic number.

It is not a de Polignac number, because 248701133 - 2¹² = 248697037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248701096 and 248701105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248701183) 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, 6941 + ... + 23357.

It is an arithmetic number, because the mean of its divisors is an integer number (62183175).

Almost surely, 2^248701133 is an apocalyptic number.

It is an amenable number.

248701133 is a deficient number, since it is larger than the sum of its proper divisors (31567).

248701133 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (248701132) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (31566).

248701133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31566.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 248701133 is about 15770.2610314478. The cubic root of 248701133 is about 628.8676501751.

Adding to 248701133 its reverse (331107842), we get a palindrome (579808975).

The spelling of 248701133 in words is "two hundred forty-eight million, seven hundred one thousand, one hundred thirty-three".