248982389 has 2 divisors, whose sum is σ = 248982390. Its totient is φ = 248982388.

The previous prime is 248982373. The next prime is 248982439. The reversal of 248982389 is 983289842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 91680625 = 12542^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 248982389 - 2⁴ = 248982373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248982389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248982089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124491194 + 124491195.

It is an arithmetic number, because the mean of its divisors is an integer number (124491195).

Almost surely, 2^248982389 is an apocalyptic number.

It is an amenable number.

248982389 is a deficient number, since it is larger than the sum of its proper divisors (1).

248982389 is an equidigital number, since it uses as much as digits as its factorization.

248982389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 53.

The square root of 248982389 is about 15779.1758023035. The cubic root of 248982389 is about 629.1046229147.

The spelling of 248982389 in words is "two hundred forty-eight million, nine hundred eighty-two thousand, three hundred eighty-nine".