248240655 has 24 divisors (see below), whose sum is σ = 463383648. Its totient is φ = 122210496.

The previous prime is 248240639. The next prime is 248240683. The reversal of 248240655 is 556042842.

It is a happy number.

248240655 is a `hidden beast` number, since 248 + 2 + 406 + 5 + 5 = 666.

It is not a de Polignac number, because 248240655 - 2⁴ = 248240639 is a prime.

It is a super-3 number, since 3×248240655³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211587 + ... + 212756.

It is an arithmetic number, because the mean of its divisors is an integer number (19307652).

Almost surely, 2^248240655 is an apocalyptic number.

248240655 is a deficient number, since it is larger than the sum of its proper divisors (215142993).

248240655 is a wasteful number, since it uses less digits than its factorization.

248240655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424367 (or 424364 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 248240655 is about 15755.6546991866. The cubic root of 248240655 is about 628.4792876180.

The spelling of 248240655 in words is "two hundred forty-eight million, two hundred forty thousand, six hundred fifty-five".