248826013 has 2 divisors, whose sum is σ = 248826014. Its totient is φ = 248826012.

The previous prime is 248826001. The next prime is 248826041. The reversal of 248826013 is 310628842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237252409 + 11573604 = 15403^2 + 3402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248826013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248826013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248826313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124413006 + 124413007.

It is an arithmetic number, because the mean of its divisors is an integer number (124413007).

Almost surely, 2^248826013 is an apocalyptic number.

It is an amenable number.

248826013 is a deficient number, since it is larger than the sum of its proper divisors (1).

248826013 is an equidigital number, since it uses as much as digits as its factorization.

248826013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 248826013 is about 15774.2198856235. The cubic root of 248826013 is about 628.9728900806.

The spelling of 248826013 in words is "two hundred forty-eight million, eight hundred twenty-six thousand, thirteen".