249504441 has 8 divisors (see below), whose sum is σ = 335966784. Its totient is φ = 164689200.

The previous prime is 249504439. The next prime is 249504481. The reversal of 249504441 is 144405942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249504441 - 2¹ = 249504439 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (249504401) 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 7 ways as a sum of consecutive naturals, for example, 411421 + ... + 412026.

It is an arithmetic number, because the mean of its divisors is an integer number (41995848).

Almost surely, 2^249504441 is an apocalyptic number.

It is an amenable number.

249504441 is a deficient number, since it is larger than the sum of its proper divisors (86462343).

249504441 is a wasteful number, since it uses less digits than its factorization.

249504441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823551.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 249504441 is about 15795.7095757044. The cubic root of 249504441 is about 629.5440061362.

The spelling of 249504441 in words is "two hundred forty-nine million, five hundred four thousand, four hundred forty-one".