2481385 has 16 divisors (see below), whose sum is σ = 3128400. Its totient is φ = 1886976.

The previous prime is 2481341. The next prime is 2481389. The reversal of 2481385 is 5831842.

It can be written as a sum of positive squares in 8 ways, for example, as 10201 + 2471184 = 101^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481385 - 2⁹ = 2480873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2481389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15727 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (195525).

2^2481385 is an apocalyptic number.

It is an amenable number.

2481385 is a deficient number, since it is larger than the sum of its proper divisors (647015).

2481385 is a wasteful number, since it uses less digits than its factorization.

2481385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its digits is 7680, while the sum is 31.

The square root of 2481385 is about 1575.2412513644. The cubic root of 2481385 is about 135.3831820431.

The spelling of 2481385 in words is "two million, four hundred eighty-one thousand, three hundred eighty-five".