2381505 has 32 divisors (see below), whose sum is σ = 4479744. Its totient is φ = 1057536.

The previous prime is 2381503. The next prime is 2381507. The reversal of 2381505 is 5051832.

It is an interprime number because it is at equal distance from previous prime (2381503) and next prime (2381507).

It is not a de Polignac number, because 2381505 - 2¹ = 2381503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2381503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3579 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (139992).

2^2381505 is an apocalyptic number.

It is an amenable number.

2381505 is a deficient number, since it is larger than the sum of its proper divisors (2098239).

2381505 is a wasteful number, since it uses less digits than its factorization.

2381505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2381505 is about 1543.2125582693. The cubic root of 2381505 is about 133.5417815890.

The spelling of 2381505 in words is "two million, three hundred eighty-one thousand, five hundred five".