248935679 has 2 divisors, whose sum is σ = 248935680. Its totient is φ = 248935678.

The previous prime is 248935651. The next prime is 248935697. The reversal of 248935679 is 976539842.

It is a happy number.

Together with next prime (248935697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248935679 - 2¹² = 248931583 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248935679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248935649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124467839 + 124467840.

It is an arithmetic number, because the mean of its divisors is an integer number (124467840).

Almost surely, 2^248935679 is an apocalyptic number.

248935679 is a deficient number, since it is larger than the sum of its proper divisors (1).

248935679 is an equidigital number, since it uses as much as digits as its factorization.

248935679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 248935679 is about 15777.6956175482. The cubic root of 248935679 is about 629.0652796840.

The spelling of 248935679 in words is "two hundred forty-eight million, nine hundred thirty-five thousand, six hundred seventy-nine".