248740263 has 6 divisors (see below), whose sum is σ = 359291504. Its totient is φ = 165826836.

The previous prime is 248740259. The next prime is 248740313. The reversal of 248740263 is 362047842.

248740263 is a `hidden beast` number, since 248 + 7 + 402 + 6 + 3 = 666.

It is not a de Polignac number, because 248740263 - 2² = 248740259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248740213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13818895 + ... + 13818912.

Almost surely, 2^248740263 is an apocalyptic number.

248740263 is a deficient number, since it is larger than the sum of its proper divisors (110551241).

248740263 is a wasteful number, since it uses less digits than its factorization.

248740263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637813 (or 27637810 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 248740263 is about 15771.5016089147. The cubic root of 248740263 is about 628.9006299212.

The spelling of 248740263 in words is "two hundred forty-eight million, seven hundred forty thousand, two hundred sixty-three".