2481945 has 8 divisors (see below), whose sum is σ = 3971136. Its totient is φ = 1323696.

The previous prime is 2481911. The next prime is 2481959. The reversal of 2481945 is 5491842.

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

It is not a de Polignac number, because 2481945 - 2⁹ = 2481433 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82717 + ... + 82746.

It is an arithmetic number, because the mean of its divisors is an integer number (496392).

2^2481945 is an apocalyptic number.

It is an amenable number.

2481945 is a deficient number, since it is larger than the sum of its proper divisors (1489191).

2481945 is a wasteful number, since it uses less digits than its factorization.

2481945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165471.

The product of its digits is 11520, while the sum is 33.

The square root of 2481945 is about 1575.4189918876. The cubic root of 2481945 is about 135.3933657213.

The spelling of 2481945 in words is "two million, four hundred eighty-one thousand, nine hundred forty-five".