248745959 has 16 divisors (see below), whose sum is σ = 310625280. Its totient is φ = 193515360.

The previous prime is 248745941. The next prime is 248745979. The reversal of 248745959 is 959547842.

It is a cyclic number.

It is not a de Polignac number, because 248745959 - 2²⁴ = 231968743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248745959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248745979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53117 + ... + 57609.

It is an arithmetic number, because the mean of its divisors is an integer number (19414080).

Almost surely, 2^248745959 is an apocalyptic number.

248745959 is a deficient number, since it is larger than the sum of its proper divisors (61879321).

248745959 is a wasteful number, since it uses less digits than its factorization.

248745959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230.

The product of its digits is 3628800, while the sum is 53.

The square root of 248745959 is about 15771.6821867548. The cubic root of 248745959 is about 628.9054303646.

The spelling of 248745959 in words is "two hundred forty-eight million, seven hundred forty-five thousand, nine hundred fifty-nine".