248740605 has 16 divisors (see below), whose sum is σ = 442205760. Its totient is φ = 132661584.

The previous prime is 248740589. The next prime is 248740643. The reversal of 248740605 is 506047842.

248740605 is a `hidden beast` number, since 2 + 4 + 8 + 7 + 40 + 605 = 666.

It is not a de Polignac number, because 248740605 - 2⁴ = 248740589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248740605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921127 + ... + 921396.

It is an arithmetic number, because the mean of its divisors is an integer number (27637860).

Almost surely, 2^248740605 is an apocalyptic number.

It is an amenable number.

248740605 is a deficient number, since it is larger than the sum of its proper divisors (193465155).

248740605 is a wasteful number, since it uses less digits than its factorization.

248740605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842537 (or 1842531 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 248740605 is about 15771.5124512521. The cubic root of 248740605 is about 628.9009181521.

The spelling of 248740605 in words is "two hundred forty-eight million, seven hundred forty thousand, six hundred five".