249975483 has 16 divisors (see below), whose sum is σ = 342333600. Its totient is φ = 162155520.

The previous prime is 249975443. The next prime is 249975493. The reversal of 249975483 is 384579942.

It is a de Polignac number, because none of the positive numbers 2^k-249975483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249975443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47823 + ... + 52791.

It is an arithmetic number, because the mean of its divisors is an integer number (21395850).

Almost surely, 2^249975483 is an apocalyptic number.

249975483 is a deficient number, since it is larger than the sum of its proper divisors (92358117).

249975483 is a wasteful number, since it uses less digits than its factorization.

249975483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422.

The product of its digits is 2177280, while the sum is 51.

The square root of 249975483 is about 15810.6129862191. The cubic root of 249975483 is about 629.9399312846.

The spelling of 249975483 in words is "two hundred forty-nine million, nine hundred seventy-five thousand, four hundred eighty-three".