248640097 has 8 divisors (see below), whose sum is σ = 262736640. Its totient is φ = 234817440.

The previous prime is 248640089. The next prime is 248640107. The reversal of 248640097 is 790046842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248640097 - 2³ = 248640089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248640017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66604 + ... + 70237.

It is an arithmetic number, because the mean of its divisors is an integer number (32842080).

Almost surely, 2^248640097 is an apocalyptic number.

It is an amenable number.

248640097 is a deficient number, since it is larger than the sum of its proper divisors (14096543).

248640097 is a wasteful number, since it uses less digits than its factorization.

248640097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136943.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 248640097 is about 15768.3257513282. The cubic root of 248640097 is about 628.8162005953.

The spelling of 248640097 in words is "two hundred forty-eight million, six hundred forty thousand, ninety-seven".