248195657 has 2 divisors, whose sum is σ = 248195658. Its totient is φ = 248195656.

The previous prime is 248195653. The next prime is 248195669. The reversal of 248195657 is 756591842.

It is a happy number.

248195657 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 can be written as a sum of positive squares in only one way, i.e., 203091001 + 45104656 = 14251^2 + 6716^2 .

It is a cyclic number.

It is not a de Polignac number, because 248195657 - 2² = 248195653 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248195653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124097828 + 124097829.

It is an arithmetic number, because the mean of its divisors is an integer number (124097829).

Almost surely, 2^248195657 is an apocalyptic number.

It is an amenable number.

248195657 is a deficient number, since it is larger than the sum of its proper divisors (1).

248195657 is an equidigital number, since it uses as much as digits as its factorization.

248195657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 248195657 is about 15754.2266392229. The cubic root of 248195657 is about 628.4413110022.

The spelling of 248195657 in words is "two hundred forty-eight million, one hundred ninety-five thousand, six hundred fifty-seven".