248253739 has 2 divisors, whose sum is σ = 248253740. Its totient is φ = 248253738.

The previous prime is 248253721. The next prime is 248253767. The reversal of 248253739 is 937352842.

248253739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248253739 - 2¹¹ = 248251691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248253695 and 248253704.

It is not a weakly prime, because it can be changed into another prime (248253799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124126869 + 124126870.

It is an arithmetic number, because the mean of its divisors is an integer number (124126870).

Almost surely, 2^248253739 is an apocalyptic number.

248253739 is a deficient number, since it is larger than the sum of its proper divisors (1).

248253739 is an equidigital number, since it uses as much as digits as its factorization.

248253739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 248253739 is about 15756.0699097205. The cubic root of 248253739 is about 628.4903291595.

The spelling of 248253739 in words is "two hundred forty-eight million, two hundred fifty-three thousand, seven hundred thirty-nine".