248297071 has 4 divisors (see below), whose sum is σ = 270869544. Its totient is φ = 225724600.

The previous prime is 248297059. The next prime is 248297123. The reversal of 248297071 is 170792842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248297071 - 2¹³ = 248288879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248297041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11286220 + ... + 11286241.

It is an arithmetic number, because the mean of its divisors is an integer number (67717386).

Almost surely, 2^248297071 is an apocalyptic number.

248297071 is a deficient number, since it is larger than the sum of its proper divisors (22572473).

248297071 is a wasteful number, since it uses less digits than its factorization.

248297071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572472.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 248297071 is about 15757.4449388218. Note that the first 3 decimals coincide. The cubic root of 248297071 is about 628.5268941121.

The spelling of 248297071 in words is "two hundred forty-eight million, two hundred ninety-seven thousand, seventy-one".