248755983 has 16 divisors (see below), whose sum is σ = 379585536. Its totient is φ = 141948000.

The previous prime is 248755967. The next prime is 248755993. The reversal of 248755983 is 389557842.

It is a Cunningham number, because it is equal to 15772²-1.

It is not a de Polignac number, because 248755983 - 2⁴ = 248755967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248755943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7885 + ... + 23657.

It is an arithmetic number, because the mean of its divisors is an integer number (23724096).

Almost surely, 2^248755983 is an apocalyptic number.

248755983 is a deficient number, since it is larger than the sum of its proper divisors (130829553).

248755983 is a wasteful number, since it uses less digits than its factorization.

248755983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16534.

The product of its digits is 2419200, while the sum is 51.

The square root of 248755983 is about 15771.9999682983. Note that the first 4 decimals coincide. The cubic root of 248755983 is about 628.9138781579.

The spelling of 248755983 in words is "two hundred forty-eight million, seven hundred fifty-five thousand, nine hundred eighty-three".